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| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2015-09-10 00:39:35 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-10 22:29:01 +0200 |
| commit | fb6dd5fa4165c4b82f1a11416c2fc192ae3a84e2 (patch) | |
| tree | 0dae4e152583f047de37f625e6e1af9d51a40841 /mm/memory.c | |
| parent | mm: make sure all file VMAs have ->vm_ops set (diff) | |
| download | linux-fb6dd5fa4165c4b82f1a11416c2fc192ae3a84e2.tar.xz linux-fb6dd5fa4165c4b82f1a11416c2fc192ae3a84e2.zip | |
mm: use vma_is_anonymous() in create_huge_pmd() and wp_huge_pmd()
Let's use helper rather than direct check of vma->vm_ops to distinguish
anonymous VMA.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c index 6cd0b2160401..9cb27470fee9 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3233,7 +3233,7 @@ out: static int create_huge_pmd(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long address, pmd_t *pmd, unsigned int flags) { - if (!vma->vm_ops) + if (vma_is_anonymous(vma)) return do_huge_pmd_anonymous_page(mm, vma, address, pmd, flags); if (vma->vm_ops->pmd_fault) return vma->vm_ops->pmd_fault(vma, address, pmd, flags); @@ -3244,7 +3244,7 @@ static int wp_huge_pmd(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long address, pmd_t *pmd, pmd_t orig_pmd, unsigned int flags) { - if (!vma->vm_ops) + if (vma_is_anonymous(vma)) return do_huge_pmd_wp_page(mm, vma, address, pmd, orig_pmd); if (vma->vm_ops->pmd_fault) return vma->vm_ops->pmd_fault(vma, address, pmd, flags); |