diff options
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index a7bac4f2b78a..efddd02141a8 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2106,24 +2106,16 @@ void vma_adjust_trans_huge(struct vm_area_struct *vma, static void freeze_page(struct page *page) { enum ttu_flags ttu_flags = TTU_IGNORE_MLOCK | TTU_IGNORE_ACCESS | - TTU_RMAP_LOCKED; - int i, ret; + TTU_RMAP_LOCKED | TTU_SPLIT_HUGE_PMD; + int ret; VM_BUG_ON_PAGE(!PageHead(page), page); if (PageAnon(page)) ttu_flags |= TTU_MIGRATION; - /* We only need TTU_SPLIT_HUGE_PMD once */ - ret = try_to_unmap(page, ttu_flags | TTU_SPLIT_HUGE_PMD); - for (i = 1; !ret && i < HPAGE_PMD_NR; i++) { - /* Cut short if the page is unmapped */ - if (page_count(page) == 1) - return; - - ret = try_to_unmap(page + i, ttu_flags); - } - VM_BUG_ON_PAGE(ret, page + i - 1); + ret = try_to_unmap(page, ttu_flags); + VM_BUG_ON_PAGE(ret, page); } static void unfreeze_page(struct page *page) |