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Diffstat (limited to 'mm')
-rw-r--r--mm/huge_memory.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 4a58fa19afac..021db1781872 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2981,29 +2981,20 @@ void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
{
spinlock_t *ptl;
struct mm_struct *mm = vma->vm_mm;
- struct page *page = NULL;
unsigned long haddr = address & HPAGE_PMD_MASK;
mmu_notifier_invalidate_range_start(mm, haddr, haddr + HPAGE_PMD_SIZE);
ptl = pmd_lock(mm, pmd);
if (pmd_trans_huge(*pmd)) {
- page = pmd_page(*pmd);
+ struct page *page = pmd_page(*pmd);
if (PageMlocked(page))
- get_page(page);
- else
- page = NULL;
+ clear_page_mlock(page);
} else if (!pmd_devmap(*pmd))
goto out;
__split_huge_pmd_locked(vma, pmd, haddr, freeze);
out:
spin_unlock(ptl);
mmu_notifier_invalidate_range_end(mm, haddr, haddr + HPAGE_PMD_SIZE);
- if (page) {
- lock_page(page);
- munlock_vma_page(page);
- unlock_page(page);
- put_page(page);
- }
}
void split_huge_pmd_address(struct vm_area_struct *vma, unsigned long address,