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authorYang Shi <shy828301@gmail.com>2022-05-19 14:08:50 -0700
committerakpm <akpm@linux-foundation.org>2022-05-19 14:08:50 -0700
commitc791576c60288c89b351ea2d2098f6a872d78fa7 (patch)
tree3e901ba5f6e94c631960f9cf10fa575fbaee8ff5 /mm/shmem.c
parent2647d11b9e71d495b2d4985ebaf7a734373a4b80 (diff)
mm: khugepaged: introduce khugepaged_enter_vma() helper
The khugepaged_enter_vma_merge() actually does as the same thing as the khugepaged_enter() section called by shmem_mmap(), so consolidate them into one helper and rename it to khugepaged_enter_vma(). Link: https://lkml.kernel.org/r/20220510203222.24246-8-shy828301@gmail.com Signed-off-by: Yang Shi <shy828301@gmail.com> Acked-by: Vlastmil Babka <vbabka@suse.cz> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Miaohe Lin <linmiaohe@huawei.com> Cc: Rik van Riel <riel@surriel.com> Cc: Song Liu <song@kernel.org> Cc: Song Liu <songliubraving@fb.com> Cc: Theodore Ts'o <tytso@mit.edu> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/shmem.c')
-rw-r--r--mm/shmem.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index 29701be579f8..89f6f4fec3f9 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2232,11 +2232,7 @@ static int shmem_mmap(struct file *file, struct vm_area_struct *vma)
file_accessed(file);
vma->vm_ops = &shmem_vm_ops;
- if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) &&
- ((vma->vm_start + ~HPAGE_PMD_MASK) & HPAGE_PMD_MASK) <
- (vma->vm_end & HPAGE_PMD_MASK)) {
- khugepaged_enter(vma, vma->vm_flags);
- }
+ khugepaged_enter_vma(vma, vma->vm_flags);
return 0;
}
@@ -4137,11 +4133,7 @@ int shmem_zero_setup(struct vm_area_struct *vma)
vma->vm_file = file;
vma->vm_ops = &shmem_vm_ops;
- if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) &&
- ((vma->vm_start + ~HPAGE_PMD_MASK) & HPAGE_PMD_MASK) <
- (vma->vm_end & HPAGE_PMD_MASK)) {
- khugepaged_enter(vma, vma->vm_flags);
- }
+ khugepaged_enter_vma(vma, vma->vm_flags);
return 0;
}