diff options
Diffstat (limited to 'mm/khugepaged.c')
| -rw-r--r-- | mm/khugepaged.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/khugepaged.c b/mm/khugepaged.c index 93d5f87c00d5..566148489e33 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -891,9 +891,10 @@ static bool __collapse_huge_page_swapin(struct mm_struct *mm, /* do_swap_page returns VM_FAULT_RETRY with released mmap_sem */ if (ret & VM_FAULT_RETRY) { down_read(&mm->mmap_sem); - /* vma is no longer available, don't continue to swapin */ - if (hugepage_vma_revalidate(mm, address)) + if (hugepage_vma_revalidate(mm, address)) { + /* vma is no longer available, don't continue to swapin */ return false; + } /* check if the pmd is still valid */ if (mm_find_pmd(mm, address) != pmd) return false; @@ -969,7 +970,7 @@ static void collapse_huge_page(struct mm_struct *mm, /* * __collapse_huge_page_swapin always returns with mmap_sem locked. - * If it fails, release mmap_sem and jump directly out. + * If it fails, we release mmap_sem and jump out_nolock. * Continuing to collapse causes inconsistency. */ if (!__collapse_huge_page_swapin(mm, vma, address, pmd)) { |