memblock: Use round_up/down() instead of memblock_align_up/down()

Signed-off-by: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/1310457490-3356-5-git-send-email-tj@kernel.org
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

diff --git a/mm/memblock.c b/mm/memblock.c
index 87e512d..9882a88 100644 (file)
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -41,17 +41,6 @@ static inline const char *memblock_type_name(struct memblock_type *type)
 /*
  * Address comparison utilities
  */
-
-static phys_addr_t __init_memblock memblock_align_down(phys_addr_t addr, phys_addr_t size)
-{
-       return addr & ~(size - 1);
-}
-
-static phys_addr_t __init_memblock memblock_align_up(phys_addr_t addr, phys_addr_t size)
-{
-       return (addr + (size - 1)) & ~(size - 1);
-}
-
 static unsigned long __init_memblock memblock_addrs_overlap(phys_addr_t base1, phys_addr_t size1,
                                       phys_addr_t base2, phys_addr_t size2)
 {
@@ -87,7 +76,7 @@ static phys_addr_t __init_memblock memblock_find_region(phys_addr_t start, phys_
        if (end < size)
                return MEMBLOCK_ERROR;
 
-       base = memblock_align_down((end - size), align);
+       base = round_down(end - size, align);
 
        /* Prevent allocations returning 0 as it's also used to
         * indicate an allocation failure
@@ -102,7 +91,7 @@ static phys_addr_t __init_memblock memblock_find_region(phys_addr_t start, phys_
                res_base = memblock.reserved.regions[j].base;
                if (res_base < size)
                        break;
-               base = memblock_align_down(res_base - size, align);
+               base = round_down(res_base - size, align);
        }
 
        return MEMBLOCK_ERROR;
@@ -486,7 +475,7 @@ phys_addr_t __init __memblock_alloc_base(phys_addr_t size, phys_addr_t align, ph
        /* We align the size to limit fragmentation. Without this, a lot of
         * small allocs quickly eat up the whole reserve array on sparc
         */
-       size = memblock_align_up(size, align);
+       size = round_up(size, align);
 
        found = memblock_find_base(size, align, 0, max_addr);
        if (found != MEMBLOCK_ERROR &&
@@ -562,7 +551,7 @@ static phys_addr_t __init memblock_alloc_nid_region(struct memblock_region *mp,
        start = mp->base;
        end = start + mp->size;
 
-       start = memblock_align_up(start, align);
+       start = round_up(start, align);
        while (start < end) {
                phys_addr_t this_end;
                int this_nid;
@@ -590,7 +579,7 @@ phys_addr_t __init memblock_alloc_nid(phys_addr_t size, phys_addr_t align, int n
        /* We align the size to limit fragmentation. Without this, a lot of
         * small allocs quickly eat up the whole reserve array on sparc
         */
-       size = memblock_align_up(size, align);
+       size = round_up(size, align);
 
        /* We do a bottom-up search for a region with the right
         * nid since that's easier considering how memblock_nid_range()