mips: rename PMD_ORDER to PMD_TABLE_ORDER

This is the order of the page table allocation, not the order of a PMD.

While at it remove unused defintion of _PMD_ORDER in asm-offsets.

Link: https://lkml.kernel.org/r/20220703141203.147893-4-rppt@kernel.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Guo Ren <guoren@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Xuerui Wang <kernel@xen0n.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h
index 867e9c3..0ef245c 100644 (file)
--- a/arch/mips/include/asm/pgalloc.h
+++ b/arch/mips/include/asm/pgalloc.h
@@ -67,12 +67,12 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
        pmd_t *pmd;
        struct page *pg;
 
-       pg = alloc_pages(GFP_KERNEL_ACCOUNT, PMD_ORDER);
+       pg = alloc_pages(GFP_KERNEL_ACCOUNT, PMD_TABLE_ORDER);
        if (!pg)
                return NULL;
 
        if (!pgtable_pmd_page_ctor(pg)) {
-               __free_pages(pg, PMD_ORDER);
+               __free_pages(pg, PMD_TABLE_ORDER);
                return NULL;
        }
 

diff --git a/arch/mips/include/asm/pgtable-32.h b/arch/mips/include/asm/pgtable-32.h
index 95df9c2..8d57bd5 100644 (file)
--- a/arch/mips/include/asm/pgtable-32.h
+++ b/arch/mips/include/asm/pgtable-32.h
@@ -82,7 +82,7 @@ extern int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1,
 
 #define PGD_ORDER      (__PGD_ORDER >= 0 ? __PGD_ORDER : 0)
 #define PUD_ORDER      aieeee_attempt_to_allocate_pud
-#define PMD_ORDER      aieeee_attempt_to_allocate_pmd
+#define PMD_TABLE_ORDER        aieeee_attempt_to_allocate_pmd
 #define PTE_ORDER      0
 
 #define PTRS_PER_PGD   (USER_PTRS_PER_PGD * 2)

diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h
index 41921ac..ae0d5a0 100644 (file)
--- a/arch/mips/include/asm/pgtable-64.h
+++ b/arch/mips/include/asm/pgtable-64.h
@@ -51,12 +51,12 @@
 #define PMD_MASK       (~(PMD_SIZE-1))
 
 # ifdef __PAGETABLE_PUD_FOLDED
-# define PGDIR_SHIFT   (PMD_SHIFT + (PAGE_SHIFT + PMD_ORDER - 3))
+# define PGDIR_SHIFT   (PMD_SHIFT + (PAGE_SHIFT + PMD_TABLE_ORDER - 3))
 # endif
 #endif
 
 #ifndef __PAGETABLE_PUD_FOLDED
-#define PUD_SHIFT      (PMD_SHIFT + (PAGE_SHIFT + PMD_ORDER - 3))
+#define PUD_SHIFT      (PMD_SHIFT + (PAGE_SHIFT + PMD_TABLE_ORDER - 3))
 #define PUD_SIZE       (1UL << PUD_SHIFT)
 #define PUD_MASK       (~(PUD_SIZE-1))
 #define PGDIR_SHIFT    (PUD_SHIFT + (PAGE_SHIFT + PUD_ORDER - 3))
@@ -91,13 +91,13 @@
 #  define PGD_ORDER            1
 #  define PUD_ORDER            aieeee_attempt_to_allocate_pud
 # endif
-#define PMD_ORDER              0
+#define PMD_TABLE_ORDER                0
 #define PTE_ORDER              0
 #endif
 #ifdef CONFIG_PAGE_SIZE_8KB
 #define PGD_ORDER              0
 #define PUD_ORDER              aieeee_attempt_to_allocate_pud
-#define PMD_ORDER              0
+#define PMD_TABLE_ORDER                0
 #define PTE_ORDER              0
 #endif
 #ifdef CONFIG_PAGE_SIZE_16KB
@@ -107,22 +107,22 @@
 #define PGD_ORDER               0
 #endif
 #define PUD_ORDER              aieeee_attempt_to_allocate_pud
-#define PMD_ORDER              0
+#define PMD_TABLE_ORDER                0
 #define PTE_ORDER              0
 #endif
 #ifdef CONFIG_PAGE_SIZE_32KB
 #define PGD_ORDER              0
 #define PUD_ORDER              aieeee_attempt_to_allocate_pud
-#define PMD_ORDER              0
+#define PMD_TABLE_ORDER                0
 #define PTE_ORDER              0
 #endif
 #ifdef CONFIG_PAGE_SIZE_64KB
 #define PGD_ORDER              0
 #define PUD_ORDER              aieeee_attempt_to_allocate_pud
 #ifdef CONFIG_MIPS_VA_BITS_48
-#define PMD_ORDER              0
+#define PMD_TABLE_ORDER                0
 #else
-#define PMD_ORDER              aieeee_attempt_to_allocate_pmd
+#define PMD_TABLE_ORDER                aieeee_attempt_to_allocate_pmd
 #endif
 #define PTE_ORDER              0
 #endif
@@ -132,7 +132,7 @@
 #define PTRS_PER_PUD   ((PAGE_SIZE << PUD_ORDER) / sizeof(pud_t))
 #endif
 #ifndef __PAGETABLE_PMD_FOLDED
-#define PTRS_PER_PMD   ((PAGE_SIZE << PMD_ORDER) / sizeof(pmd_t))
+#define PTRS_PER_PMD   ((PAGE_SIZE << PMD_TABLE_ORDER) / sizeof(pmd_t))
 #endif
 #define PTRS_PER_PTE   ((PAGE_SIZE << PTE_ORDER) / sizeof(pte_t))
 

diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c
index 04ca752..ca7c5af 100644 (file)
--- a/arch/mips/kernel/asm-offsets.c
+++ b/arch/mips/kernel/asm-offsets.c
@@ -197,9 +197,6 @@ void output_mm_defines(void)
        DEFINE(_PTE_T_LOG2, PTE_T_LOG2);
        BLANK();
        DEFINE(_PGD_ORDER, PGD_ORDER);
-#ifndef __PAGETABLE_PMD_FOLDED
-       DEFINE(_PMD_ORDER, PMD_ORDER);
-#endif
        DEFINE(_PTE_ORDER, PTE_ORDER);
        BLANK();
        DEFINE(_PMD_SHIFT, PMD_SHIFT);