diff --git a/include/linux/rmap.h b/include/linux/rmap.h index 07ea89c167618d5ad2c71311ea983a2e9b7fcab5..bb83c0da207197122c9ef3988cf0b3d843404cd3 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -205,9 +205,20 @@ int try_to_unmap_one(struct page *, struct vm_area_struct *, /* * Called from mm/filemap_xip.c to unmap empty zero page */ -pte_t *page_check_address(struct page *, struct mm_struct *, +pte_t *__page_check_address(struct page *, struct mm_struct *, unsigned long, spinlock_t **, int); +static inline pte_t *page_check_address(struct page *page, struct mm_struct *mm, + unsigned long address, + spinlock_t **ptlp, int sync) +{ + pte_t *ptep; + + __cond_lock(*ptlp, ptep = __page_check_address(page, mm, address, + ptlp, sync)); + return ptep; +} + /* * Used by swapoff to help locate where page is expected in vma. */ diff --git a/mm/rmap.c b/mm/rmap.c index 0995a8f68866a5eb3e6d6404b69010b9a118356c..bfeffbddb71207616a7e4547d5a4dba77bb03d31 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -409,7 +409,7 @@ unsigned long page_address_in_vma(struct page *page, struct vm_area_struct *vma) * * On success returns with pte mapped and locked. */ -pte_t *page_check_address(struct page *page, struct mm_struct *mm, +pte_t *__page_check_address(struct page *page, struct mm_struct *mm, unsigned long address, spinlock_t **ptlp, int sync) { pgd_t *pgd;