The patch titled
Subject: mm/hugetlb: reduce arch dependent code about hugetlb_prefault_arch_hook
has been added to the -mm tree. Its filename is
mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook.patch
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------------------------------------------------------
From: Zhang Zhen <zhenzhang.zhang@xxxxxxxxxx>
Subject: mm/hugetlb: reduce arch dependent code about hugetlb_prefault_arch_hook
Currently we have many duplicates in definitions of
hugetlb_prefault_arch_hook. In all architectures this function is empty.
Signed-off-by: Zhang Zhen <zhenzhang.zhang@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm/include/asm/hugetlb.h | 4 ----
arch/arm64/include/asm/hugetlb.h | 4 ----
arch/ia64/include/asm/hugetlb.h | 4 ----
arch/metag/include/asm/hugetlb.h | 4 ----
arch/mips/include/asm/hugetlb.h | 4 ----
arch/powerpc/include/asm/hugetlb.h | 5 -----
arch/s390/include/asm/hugetlb.h | 1 -
arch/sh/include/asm/hugetlb.h | 3 ---
arch/sparc/include/asm/hugetlb.h | 4 ----
arch/tile/include/asm/hugetlb.h | 4 ----
arch/x86/include/asm/hugetlb.h | 3 ---
fs/hugetlbfs/inode.c | 1 -
12 files changed, 41 deletions(-)
diff -puN arch/arm/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook arch/arm/include/asm/hugetlb.h
--- a/arch/arm/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook
+++ a/arch/arm/include/asm/hugetlb.h
@@ -53,10 +53,6 @@ static inline int prepare_hugepage_range
return 0;
}
-static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
-{
-}
-
static inline int huge_pte_none(pte_t pte)
{
return pte_none(pte);
diff -puN arch/arm64/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook arch/arm64/include/asm/hugetlb.h
--- a/arch/arm64/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook
+++ a/arch/arm64/include/asm/hugetlb.h
@@ -86,10 +86,6 @@ static inline int prepare_hugepage_range
return 0;
}
-static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
-{
-}
-
static inline int huge_pte_none(pte_t pte)
{
return pte_none(pte);
diff -puN arch/ia64/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook arch/ia64/include/asm/hugetlb.h
--- a/arch/ia64/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook
+++ a/arch/ia64/include/asm/hugetlb.h
@@ -20,10 +20,6 @@ static inline int is_hugepage_only_range
REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
}
-static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
-{
-}
-
static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte)
{
diff -puN arch/metag/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook arch/metag/include/asm/hugetlb.h
--- a/arch/metag/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook
+++ a/arch/metag/include/asm/hugetlb.h
@@ -14,10 +14,6 @@ static inline int is_hugepage_only_range
int prepare_hugepage_range(struct file *file, unsigned long addr,
unsigned long len);
-static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
-{
-}
-
static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
unsigned long addr, unsigned long end,
unsigned long floor,
diff -puN arch/mips/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook arch/mips/include/asm/hugetlb.h
--- a/arch/mips/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook
+++ a/arch/mips/include/asm/hugetlb.h
@@ -38,10 +38,6 @@ static inline int prepare_hugepage_range
return 0;
}
-static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
-{
-}
-
static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
unsigned long addr,
unsigned long end,
diff -puN arch/powerpc/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook arch/powerpc/include/asm/hugetlb.h
--- a/arch/powerpc/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook
+++ a/arch/powerpc/include/asm/hugetlb.h
@@ -112,11 +112,6 @@ static inline int prepare_hugepage_range
return 0;
}
-static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
-{
-}
-
-
static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte)
{
diff -puN arch/s390/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook arch/s390/include/asm/hugetlb.h
--- a/arch/s390/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook
+++ a/arch/s390/include/asm/hugetlb.h
@@ -35,7 +35,6 @@ static inline int prepare_hugepage_range
return 0;
}
-#define hugetlb_prefault_arch_hook(mm) do { } while (0)
#define arch_clear_hugepage_flags(page) do { } while (0)
int arch_prepare_hugepage(struct page *page);
diff -puN arch/sh/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook arch/sh/include/asm/hugetlb.h
--- a/arch/sh/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook
+++ a/arch/sh/include/asm/hugetlb.h
@@ -26,9 +26,6 @@ static inline int prepare_hugepage_range
return 0;
}
-static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) {
-}
-
static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
unsigned long addr, unsigned long end,
unsigned long floor,
diff -puN arch/sparc/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook arch/sparc/include/asm/hugetlb.h
--- a/arch/sparc/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook
+++ a/arch/sparc/include/asm/hugetlb.h
@@ -11,10 +11,6 @@ void set_huge_pte_at(struct mm_struct *m
pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep);
-static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
-{
-}
-
static inline int is_hugepage_only_range(struct mm_struct *mm,
unsigned long addr,
unsigned long len) {
diff -puN arch/tile/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook arch/tile/include/asm/hugetlb.h
--- a/arch/tile/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook
+++ a/arch/tile/include/asm/hugetlb.h
@@ -40,10 +40,6 @@ static inline int prepare_hugepage_range
return 0;
}
-static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
-{
-}
-
static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
unsigned long addr, unsigned long end,
unsigned long floor,
diff -puN arch/x86/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook arch/x86/include/asm/hugetlb.h
--- a/arch/x86/include/asm/hugetlb.h~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook
+++ a/arch/x86/include/asm/hugetlb.h
@@ -26,9 +26,6 @@ static inline int prepare_hugepage_range
return 0;
}
-static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) {
-}
-
static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
unsigned long addr, unsigned long end,
unsigned long floor,
diff -puN fs/hugetlbfs/inode.c~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook fs/hugetlbfs/inode.c
--- a/fs/hugetlbfs/inode.c~mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook
+++ a/fs/hugetlbfs/inode.c
@@ -130,7 +130,6 @@ static int hugetlbfs_file_mmap(struct fi
goto out;
ret = 0;
- hugetlb_prefault_arch_hook(vma->vm_mm);
if (vma->vm_flags & VM_WRITE && inode->i_size < len)
inode->i_size = len;
out:
_
Patches currently in -mm which might be from zhenzhang.zhang@xxxxxxxxxx are
mm-hugetlb-reduce-arch-dependent-code-about-huge_pmd_unshare.patch
mm-hugetlb-reduce-arch-dependent-code-about-hugetlb_prefault_arch_hook.patch
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