#include <linux/acpi.h>
#include <linux/firmware-map.h>
#include <linux/memblock.h>
+ #include <linux/sort.h>
#include <asm/e820.h>
#include <asm/proto.h>
* ____________________33__
* ______________________4_
*/
+ struct change_member {
+ struct e820entry *pbios; /* pointer to original bios entry */
+ unsigned long long addr; /* address for this change point */
+ };
+
+ static int __init cpcompare(const void *a, const void *b)
+ {
+ struct change_member * const *app = a, * const *bpp = b;
+ const struct change_member *ap = *app, *bp = *bpp;
+
+ /*
+ * Inputs are pointers to two elements of change_point[]. If their
+ * addresses are unequal, their difference dominates. If the addresses
+ * are equal, then consider one that represents the end of its region
+ * to be greater than one that does not.
+ */
+ if (ap->addr != bp->addr)
+ return ap->addr > bp->addr ? 1 : -1;
+
+ return (ap->addr != ap->pbios->addr) - (bp->addr != bp->pbios->addr);
+ }
int __init sanitize_e820_map(struct e820entry *biosmap, int max_nr_map,
u32 *pnr_map)
{
- struct change_member {
- struct e820entry *pbios; /* pointer to original bios entry */
- unsigned long long addr; /* address for this change point */
- };
static struct change_member change_point_list[2*E820_X_MAX] __initdata;
static struct change_member *change_point[2*E820_X_MAX] __initdata;
static struct e820entry *overlap_list[E820_X_MAX] __initdata;
static struct e820entry new_bios[E820_X_MAX] __initdata;
- struct change_member *change_tmp;
unsigned long current_type, last_type;
unsigned long long last_addr;
- int chgidx, still_changing;
+ int chgidx;
int overlap_entries;
int new_bios_entry;
int old_nr, new_nr, chg_nr;
chg_nr = chgidx;
/* sort change-point list by memory addresses (low -> high) */
- still_changing = 1;
- while (still_changing) {
- still_changing = 0;
- for (i = 1; i < chg_nr; i++) {
- unsigned long long curaddr, lastaddr;
- unsigned long long curpbaddr, lastpbaddr;
-
- curaddr = change_point[i]->addr;
- lastaddr = change_point[i - 1]->addr;
- curpbaddr = change_point[i]->pbios->addr;
- lastpbaddr = change_point[i - 1]->pbios->addr;
-
- /*
- * swap entries, when:
- *
- * curaddr > lastaddr or
- * curaddr == lastaddr and curaddr == curpbaddr and
- * lastaddr != lastpbaddr
- */
- if (curaddr < lastaddr ||
- (curaddr == lastaddr && curaddr == curpbaddr &&
- lastaddr != lastpbaddr)) {
- change_tmp = change_point[i];
- change_point[i] = change_point[i-1];
- change_point[i-1] = change_tmp;
- still_changing = 1;
- }
- }
- }
+ sort(change_point, chg_nr, sizeof *change_point, cpcompare, NULL);
/* create a new bios memory map, removing overlaps */
overlap_entries = 0; /* number of entries in the overlap table */
/*
* pre allocated 4k and reserved it in memblock and e820_saved
*/
-u64 __init early_reserve_e820(u64 startt, u64 sizet, u64 align)
+u64 __init early_reserve_e820(u64 size, u64 align)
{
- u64 size = 0;
u64 addr;
- u64 start;
- for (start = startt; ; start += size) {
- start = memblock_x86_find_in_range_size(start, &size, align);
- if (start == MEMBLOCK_ERROR)
- return 0;
- if (size >= sizet)
- break;
+ addr = __memblock_alloc_base(size, align, MEMBLOCK_ALLOC_ACCESSIBLE);
+ if (addr) {
+ e820_update_range_saved(addr, size, E820_RAM, E820_RESERVED);
+ printk(KERN_INFO "update e820_saved for early_reserve_e820\n");
+ update_e820_saved();
}
-#ifdef CONFIG_X86_32
- if (start >= MAXMEM)
- return 0;
- if (start + size > MAXMEM)
- size = MAXMEM - start;
-#endif
-
- addr = round_down(start + size - sizet, align);
- if (addr < start)
- return 0;
- memblock_x86_reserve_range(addr, addr + sizet, "new next");
- e820_update_range_saved(addr, sizet, E820_RAM, E820_RESERVED);
- printk(KERN_INFO "update e820_saved for early_reserve_e820\n");
- update_e820_saved();
-
return addr;
}
* We are safe to enable resizing, beause memblock_x86_fill()
* is rather later for x86
*/
- memblock_can_resize = 1;
+ memblock_allow_resize();
for (i = 0; i < e820.nr_map; i++) {
struct e820entry *ei = &e820.map[i];
memblock_add(ei->addr, ei->size);
}
- memblock_analyze();
memblock_dump_all();
}
void __init memblock_find_dma_reserve(void)
{
#ifdef CONFIG_X86_64
- u64 free_size_pfn;
- u64 mem_size_pfn;
+ u64 nr_pages = 0, nr_free_pages = 0;
+ unsigned long start_pfn, end_pfn;
+ phys_addr_t start, end;
+ int i;
+ u64 u;
+
/*
* need to find out used area below MAX_DMA_PFN
* need to use memblock to get free size in [0, MAX_DMA_PFN]
* at first, and assume boot_mem will not take below MAX_DMA_PFN
*/
- mem_size_pfn = memblock_x86_memory_in_range(0, MAX_DMA_PFN << PAGE_SHIFT) >> PAGE_SHIFT;
- free_size_pfn = memblock_x86_free_memory_in_range(0, MAX_DMA_PFN << PAGE_SHIFT) >> PAGE_SHIFT;
- set_dma_reserve(mem_size_pfn - free_size_pfn);
+ for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, NULL) {
+ start_pfn = min_t(unsigned long, start_pfn, MAX_DMA_PFN);
+ end_pfn = min_t(unsigned long, end_pfn, MAX_DMA_PFN);
+ nr_pages += end_pfn - start_pfn;
+ }
+
+ for_each_free_mem_range(u, MAX_NUMNODES, &start, &end, NULL) {
+ start_pfn = min_t(unsigned long, PFN_UP(start), MAX_DMA_PFN);
+ end_pfn = min_t(unsigned long, PFN_DOWN(end), MAX_DMA_PFN);
+ if (start_pfn < end_pfn)
+ nr_free_pages += end_pfn - start_pfn;
+ }
+
+ set_dma_reserve(nr_pages - nr_free_pages);
#endif
}
#include <linux/ioport.h>
#include <linux/swap.h>
#include <linux/memblock.h>
+ #include <linux/bootmem.h> /* for max_low_pfn */
#include <asm/cacheflush.h>
#include <asm/e820.h>
#include <asm/tlbflush.h>
#include <asm/tlb.h>
#include <asm/proto.h>
+ #include <asm/dma.h> /* for MAX_DMA_PFN */
unsigned long __initdata pgt_buf_start;
unsigned long __meminitdata pgt_buf_end;
good_end = max_pfn_mapped << PAGE_SHIFT;
base = memblock_find_in_range(start, good_end, tables, PAGE_SIZE);
- if (base == MEMBLOCK_ERROR)
+ if (!base)
panic("Cannot find space for the kernel page tables");
pgt_buf_start = base >> PAGE_SHIFT;
void __init native_pagetable_reserve(u64 start, u64 end)
{
- memblock_x86_reserve_range(start, end, "PGTABLE");
+ memblock_reserve(start, end - start);
}
struct map_range {
* pgt_buf_end) and free the other ones (pgt_buf_end - pgt_buf_top)
* so that they can be reused for other purposes.
*
- * On native it just means calling memblock_x86_reserve_range, on Xen it
- * also means marking RW the pagetable pages that we allocated before
+ * On native it just means calling memblock_reserve, on Xen it also
+ * means marking RW the pagetable pages that we allocated before
* but that haven't been used.
*
* In fact on xen we mark RO the whole range pgt_buf_start -
free_init_pages("initrd memory", start, PAGE_ALIGN(end));
}
#endif
+
+ void __init zone_sizes_init(void)
+ {
+ unsigned long max_zone_pfns[MAX_NR_ZONES];
+
+ memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
+
+ #ifdef CONFIG_ZONE_DMA
+ max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN;
+ #endif
+ #ifdef CONFIG_ZONE_DMA32
+ max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
+ #endif
+ max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
+ #ifdef CONFIG_HIGHMEM
+ max_zone_pfns[ZONE_HIGHMEM] = max_pfn;
+ #endif
+
+ free_area_init_nodes(max_zone_pfns);
+ }
+
void __init add_highpages_with_active_regions(int nid,
unsigned long start_pfn, unsigned long end_pfn)
{
- struct range *range;
- int nr_range;
- int i;
-
- nr_range = __get_free_all_memory_range(&range, nid, start_pfn, end_pfn);
-
- for (i = 0; i < nr_range; i++) {
- struct page *page;
- int node_pfn;
-
- for (node_pfn = range[i].start; node_pfn < range[i].end;
- node_pfn++) {
- if (!pfn_valid(node_pfn))
- continue;
- page = pfn_to_page(node_pfn);
- add_one_highpage_init(page);
- }
+ phys_addr_t start, end;
+ u64 i;
+
+ for_each_free_mem_range(i, nid, &start, &end, NULL) {
+ unsigned long pfn = clamp_t(unsigned long, PFN_UP(start),
+ start_pfn, end_pfn);
+ unsigned long e_pfn = clamp_t(unsigned long, PFN_DOWN(end),
+ start_pfn, end_pfn);
+ for ( ; pfn < e_pfn; pfn++)
+ if (pfn_valid(pfn))
+ add_one_highpage_init(pfn_to_page(pfn));
}
}
#else
highstart_pfn = highend_pfn = max_pfn;
if (max_pfn > max_low_pfn)
highstart_pfn = max_low_pfn;
- memblock_x86_register_active_regions(0, 0, highend_pfn);
- sparse_memory_present_with_active_regions(0);
printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
pages_to_mb(highend_pfn - highstart_pfn));
num_physpages = highend_pfn;
high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1;
#else
- memblock_x86_register_active_regions(0, 0, max_low_pfn);
- sparse_memory_present_with_active_regions(0);
num_physpages = max_low_pfn;
high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
#endif
+
+ memblock_set_node(0, (phys_addr_t)ULLONG_MAX, 0);
+ sparse_memory_present_with_active_regions(0);
+
#ifdef CONFIG_FLATMEM
max_mapnr = num_physpages;
#endif
}
#endif /* !CONFIG_NEED_MULTIPLE_NODES */
- static void __init zone_sizes_init(void)
- {
- unsigned long max_zone_pfns[MAX_NR_ZONES];
- memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
- #ifdef CONFIG_ZONE_DMA
- max_zone_pfns[ZONE_DMA] =
- virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
- #endif
- max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
- #ifdef CONFIG_HIGHMEM
- max_zone_pfns[ZONE_HIGHMEM] = highend_pfn;
- #endif
-
- free_area_init_nodes(max_zone_pfns);
- }
-
void __init setup_bootmem_allocator(void)
{
printk(KERN_INFO " mapped low ram: 0 - %08lx\n",
#ifdef CONFIG_FLATMEM
BUG_ON(!mem_map);
#endif
+ /*
+ * With CONFIG_DEBUG_PAGEALLOC initialization of highmem pages has to
+ * be done before free_all_bootmem(). Memblock use free low memory for
+ * temporary data (see find_range_array()) and for this purpose can use
+ * pages that was already passed to the buddy allocator, hence marked as
+ * not accessible in the page tables when compiled with
+ * CONFIG_DEBUG_PAGEALLOC. Otherwise order of initialization is not
+ * important here.
+ */
+ set_highmem_pages_init();
+
/* this will put all low memory onto the freelists */
totalram_pages += free_all_bootmem();
if (page_is_ram(tmp) && PageReserved(pfn_to_page(tmp)))
reservedpages++;
- set_highmem_pages_init();
-
codesize = (unsigned long) &_etext - (unsigned long) &_text;
datasize = (unsigned long) &_edata - (unsigned long) &_etext;
initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
#ifndef CONFIG_NUMA
void __init initmem_init(void)
{
- memblock_x86_register_active_regions(0, 0, max_pfn);
+ memblock_set_node(0, (phys_addr_t)ULLONG_MAX, 0);
}
#endif
void __init paging_init(void)
{
- unsigned long max_zone_pfns[MAX_NR_ZONES];
-
- memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
- #ifdef CONFIG_ZONE_DMA
- max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN;
- #endif
- max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
- max_zone_pfns[ZONE_NORMAL] = max_pfn;
-
sparse_memory_present_with_active_regions(MAX_NUMNODES);
sparse_init();
*/
node_clear_state(0, N_NORMAL_MEMORY);
- free_area_init_nodes(max_zone_pfns);
+ zone_sizes_init();
}
/*
/* Initialize NODE_DATA for a node on the local memory */
static void __init setup_node_data(int nid, u64 start, u64 end)
{
- const u64 nd_low = PFN_PHYS(MAX_DMA_PFN);
- const u64 nd_high = PFN_PHYS(max_pfn_mapped);
const size_t nd_size = roundup(sizeof(pg_data_t), PAGE_SIZE);
bool remapped = false;
u64 nd_pa;
nd_pa = __pa(nd);
remapped = true;
} else {
- nd_pa = memblock_x86_find_in_range_node(nid, nd_low, nd_high,
- nd_size, SMP_CACHE_BYTES);
- if (nd_pa == MEMBLOCK_ERROR)
- nd_pa = memblock_find_in_range(nd_low, nd_high,
- nd_size, SMP_CACHE_BYTES);
- if (nd_pa == MEMBLOCK_ERROR) {
+ nd_pa = memblock_alloc_nid(nd_size, SMP_CACHE_BYTES, nid);
+ if (!nd_pa) {
pr_err("Cannot find %zu bytes in node %d\n",
nd_size, nid);
return;
}
- memblock_x86_reserve_range(nd_pa, nd_pa + nd_size, "NODE_DATA");
nd = __va(nd_pa);
}
/* numa_distance could be 1LU marking allocation failure, test cnt */
if (numa_distance_cnt)
- memblock_x86_free_range(__pa(numa_distance),
- __pa(numa_distance) + size);
+ memblock_free(__pa(numa_distance), size);
numa_distance_cnt = 0;
numa_distance = NULL; /* enable table creation */
}
phys = memblock_find_in_range(0, PFN_PHYS(max_pfn_mapped),
size, PAGE_SIZE);
- if (phys == MEMBLOCK_ERROR) {
+ if (!phys) {
pr_warning("NUMA: Warning: can't allocate distance table!\n");
/* don't retry until explicitly reset */
numa_distance = (void *)1LU;
return -ENOMEM;
}
- memblock_x86_reserve_range(phys, phys + size, "NUMA DIST");
+ memblock_reserve(phys, size);
numa_distance = __va(phys);
numa_distance_cnt = cnt;
* calls are ignored until the distance table is reset with
* numa_reset_distance().
*
- * If @from or @to is higher than the highest known node at the time of
- * table creation or @distance doesn't make sense, the call is ignored.
+ * If @from or @to is higher than the highest known node or lower than zero
+ * at the time of table creation or @distance doesn't make sense, the call
+ * is ignored.
* This is to allow simplification of specific NUMA config implementations.
*/
void __init numa_set_distance(int from, int to, int distance)
if (!numa_distance && numa_alloc_distance() < 0)
return;
- if (from >= numa_distance_cnt || to >= numa_distance_cnt) {
- printk_once(KERN_DEBUG "NUMA: Debug: distance out of bound, from=%d to=%d distance=%d\n",
+ if (from >= numa_distance_cnt || to >= numa_distance_cnt ||
+ from < 0 || to < 0) {
+ pr_warn_once("NUMA: Warning: node ids are out of bound, from=%d to=%d distance=%d\n",
from, to, distance);
return;
}
numaram = 0;
}
- e820ram = max_pfn - (memblock_x86_hole_size(0,
- PFN_PHYS(max_pfn)) >> PAGE_SHIFT);
+ e820ram = max_pfn - absent_pages_in_range(0, max_pfn);
+
/* We seem to lose 3 pages somewhere. Allow 1M of slack. */
if ((s64)(e820ram - numaram) >= (1 << (20 - PAGE_SHIFT))) {
printk(KERN_ERR "NUMA: nodes only cover %LuMB of your %LuMB e820 RAM. Not used.\n",
if (WARN_ON(nodes_empty(node_possible_map)))
return -EINVAL;
- for (i = 0; i < mi->nr_blks; i++)
- memblock_x86_register_active_regions(mi->blk[i].nid,
- mi->blk[i].start >> PAGE_SHIFT,
- mi->blk[i].end >> PAGE_SHIFT);
-
- /* for out of order entries */
- sort_node_map();
+ for (i = 0; i < mi->nr_blks; i++) {
+ struct numa_memblk *mb = &mi->blk[i];
+ memblock_set_node(mb->start, mb->end - mb->start, mb->nid);
+ }
/*
* If sections array is gonna be used for pfn -> nid mapping, check
setup_node_data(nid, start, end);
}
+ /* Dump memblock with node info and return. */
+ memblock_dump_all();
return 0;
}
nodes_clear(node_possible_map);
nodes_clear(node_online_map);
memset(&numa_meminfo, 0, sizeof(numa_meminfo));
- remove_all_active_ranges();
+ WARN_ON(memblock_set_node(0, ULLONG_MAX, MAX_NUMNODES));
numa_reset_distance();
ret = init_func();
}
EXPORT_SYMBOL(set_memory_uc);
-int _set_memory_array(unsigned long *addr, int addrinarray,
+static int _set_memory_array(unsigned long *addr, int addrinarray,
unsigned long new_type)
{
int i, j;
}
/*
- * If page allocator is not up yet then do not call c_p_a():
- */
- if (!debug_pagealloc_enabled)
- return;
-
- /*
* The return value is ignored as the calls cannot fail.
* Large pages for identity mappings are not used at boot time
* and hence no memory allocations during large page split.
#include <linux/mmzone.h>
#include <linux/rbtree.h>
#include <linux/prio_tree.h>
+#include <linux/atomic.h>
#include <linux/debug_locks.h>
#include <linux/mm_types.h>
#include <linux/range.h>
extern void free_area_init(unsigned long * zones_size);
extern void free_area_init_node(int nid, unsigned long * zones_size,
unsigned long zone_start_pfn, unsigned long *zholes_size);
-#ifdef CONFIG_ARCH_POPULATES_NODE_MAP
+#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
/*
- * With CONFIG_ARCH_POPULATES_NODE_MAP set, an architecture may initialise its
+ * With CONFIG_HAVE_MEMBLOCK_NODE_MAP set, an architecture may initialise its
* zones, allocate the backing mem_map and account for memory holes in a more
* architecture independent manner. This is a substitute for creating the
* zone_sizes[] and zholes_size[] arrays and passing them to
* free_area_init_node()
*
* An architecture is expected to register range of page frames backed by
- * physical memory with add_active_range() before calling
+ * physical memory with memblock_add[_node]() before calling
* free_area_init_nodes() passing in the PFN each zone ends at. At a basic
* usage, an architecture is expected to do something like
*
* unsigned long max_zone_pfns[MAX_NR_ZONES] = {max_dma, max_normal_pfn,
* max_highmem_pfn};
* for_each_valid_physical_page_range()
- * add_active_range(node_id, start_pfn, end_pfn)
+ * memblock_add_node(base, size, nid)
* free_area_init_nodes(max_zone_pfns);
*
- * If the architecture guarantees that there are no holes in the ranges
- * registered with add_active_range(), free_bootmem_active_regions()
- * will call free_bootmem_node() for each registered physical page range.
- * Similarly sparse_memory_present_with_active_regions() calls
- * memory_present() for each range when SPARSEMEM is enabled.
+ * free_bootmem_with_active_regions() calls free_bootmem_node() for each
+ * registered physical page range. Similarly
+ * sparse_memory_present_with_active_regions() calls memory_present() for
+ * each range when SPARSEMEM is enabled.
*
* See mm/page_alloc.c for more information on each function exposed by
- * CONFIG_ARCH_POPULATES_NODE_MAP
+ * CONFIG_HAVE_MEMBLOCK_NODE_MAP.
*/
extern void free_area_init_nodes(unsigned long *max_zone_pfn);
-extern void add_active_range(unsigned int nid, unsigned long start_pfn,
- unsigned long end_pfn);
-extern void remove_active_range(unsigned int nid, unsigned long start_pfn,
- unsigned long end_pfn);
-extern void remove_all_active_ranges(void);
-void sort_node_map(void);
unsigned long node_map_pfn_alignment(void);
unsigned long __absent_pages_in_range(int nid, unsigned long start_pfn,
unsigned long end_pfn);
unsigned long max_low_pfn);
int add_from_early_node_map(struct range *range, int az,
int nr_range, int nid);
-u64 __init find_memory_core_early(int nid, u64 size, u64 align,
- u64 goal, u64 limit);
-typedef int (*work_fn_t)(unsigned long, unsigned long, void *);
-extern void work_with_active_regions(int nid, work_fn_t work_fn, void *data);
extern void sparse_memory_present_with_active_regions(int nid);
-#endif /* CONFIG_ARCH_POPULATES_NODE_MAP */
-#if !defined(CONFIG_ARCH_POPULATES_NODE_MAP) && \
+#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
+
+#if !defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP) && \
!defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID)
static inline int __early_pfn_to_nid(unsigned long pfn)
{
return (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
}
+/* Look up the first VMA which exactly match the interval vm_start ... vm_end */
+static inline struct vm_area_struct *find_exact_vma(struct mm_struct *mm,
+ unsigned long vm_start, unsigned long vm_end)
+{
+ struct vm_area_struct *vma = find_vma(mm, vm_start);
+
+ if (vma && (vma->vm_start != vm_start || vma->vm_end != vm_end))
+ vma = NULL;
+
+ return vma;
+}
+
#ifdef CONFIG_MMU
pgprot_t vm_get_page_prot(unsigned long vm_flags);
#else
#endif /* CONFIG_PROC_FS */
#ifdef CONFIG_DEBUG_PAGEALLOC
- extern int debug_pagealloc_enabled;
-
extern void kernel_map_pages(struct page *page, int numpages, int enable);
-
- static inline void enable_debug_pagealloc(void)
- {
- debug_pagealloc_enabled = 1;
- }
#ifdef CONFIG_HIBERNATION
extern bool kernel_page_present(struct page *page);
#endif /* CONFIG_HIBERNATION */
#else
static inline void
kernel_map_pages(struct page *page, int numpages, int enable) {}
- static inline void enable_debug_pagealloc(void)
- {
- }
#ifdef CONFIG_HIBERNATION
static inline bool kernel_page_present(struct page *page) { return true; }
#endif /* CONFIG_HIBERNATION */
unsigned int pages_per_huge_page);
#endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_HUGETLBFS */
+#ifdef CONFIG_DEBUG_PAGEALLOC
+extern unsigned int _debug_guardpage_minorder;
+
+static inline unsigned int debug_guardpage_minorder(void)
+{
+ return _debug_guardpage_minorder;
+}
+
+static inline bool page_is_guard(struct page *page)
+{
+ return test_bit(PAGE_DEBUG_FLAG_GUARD, &page->debug_flags);
+}
+#else
+static inline unsigned int debug_guardpage_minorder(void) { return 0; }
+static inline bool page_is_guard(struct page *page) { return false; }
+#endif /* CONFIG_DEBUG_PAGEALLOC */
+
#endif /* __KERNEL__ */
#endif /* _LINUX_MM_H */
return 0;
}
- #ifdef CONFIG_DEBUG_PAGEALLOC
- int __read_mostly debug_pagealloc_enabled = 0;
- #endif
-
static int __init init_setup(char *str)
{
unsigned int i;
char * command_line;
extern const struct kernel_param __start___param[], __stop___param[];
- smp_setup_processor_id();
-
/*
* Need to run as early as possible, to initialize the
* lockdep hash:
*/
lockdep_init();
+ smp_setup_processor_id();
debug_objects_early_init();
/*
}
#endif
page_cgroup_init();
- enable_debug_pagealloc();
debug_objects_mem_init();
kmemleak_init();
setup_per_cpu_pageset();
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