diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2017-02-24 14:58:10 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-24 17:46:55 -0800 |
| commit | 6a328a626f98bb856551e506cabc7c8b969aafa3 (patch) | |
| tree | deb7ddcd0228acd7f03c88b64cdc4ec46b8077ce /mm/rmap.c | |
| parent | 14fa2daa15887f9246cfedc345e83e8d24cb9058 (diff) | |
| download | linux-6a328a626f98bb856551e506cabc7c8b969aafa3.tar.bz2 | |
mm: convert page_mapped_in_vma() to use page_vma_mapped_walk()
For consistency, it worth converting all page_check_address() to
page_vma_mapped_walk(), so we could drop the former.
Link: http://lkml.kernel.org/r/20170129173858.45174-11-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/rmap.c')
| -rw-r--r-- | mm/rmap.c | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 11668fb881d8..80525820aada 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -756,32 +756,6 @@ check: return NULL; } -/** - * page_mapped_in_vma - check whether a page is really mapped in a VMA - * @page: the page to test - * @vma: the VMA to test - * - * Returns 1 if the page is mapped into the page tables of the VMA, 0 - * if the page is not mapped into the page tables of this VMA. Only - * valid for normal file or anonymous VMAs. - */ -int page_mapped_in_vma(struct page *page, struct vm_area_struct *vma) -{ - unsigned long address; - pte_t *pte; - spinlock_t *ptl; - - address = __vma_address(page, vma); - if (unlikely(address < vma->vm_start || address >= vma->vm_end)) - return 0; - pte = page_check_address(page, vma->vm_mm, address, &ptl, 1); - if (!pte) /* the page is not in this mm */ - return 0; - pte_unmap_unlock(pte, ptl); - - return 1; -} - #ifdef CONFIG_TRANSPARENT_HUGEPAGE /* * Check that @page is mapped at @address into @mm. In contrast to |