diff options
| author | Andrea Arcangeli <aarcange@redhat.com> | 2015-11-05 18:49:07 -0800 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-04-11 10:57:17 +0200 |
| commit | bc2dd250fe9d1b2034b66a3d9ead632946966503 (patch) | |
| tree | 8ab26ea9ee82949a21fe7edddb5d3f928700aa99 /mm/rmap.c | |
| parent | b0202fae7eaa1b94e67752e1b3f6fabe7ca675f3 (diff) | |
ksm: add cond_resched() to the rmap_walks
While at it add it to the file and anon walks too.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: Petr Holasek <pholasek@redhat.com>
Acked-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Joe Maples <joe@frap129.org>
Conflicts:
mm/rmap.c
Diffstat (limited to 'mm/rmap.c')
| -rw-r--r-- | mm/rmap.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -1727,6 +1727,7 @@ static int rmap_walk_anon(struct page *page, int (*rmap_one)(struct page *, anon_vma_interval_tree_foreach(avc, &anon_vma->rb_root, pgoff, pgoff) { struct vm_area_struct *vma = avc->vma; unsigned long address = vma_address(page, vma); + cond_resched(); ret = rmap_one(page, vma, address, arg); if (ret != SWAP_AGAIN) break; @@ -1748,6 +1749,8 @@ static int rmap_walk_file(struct page *page, int (*rmap_one)(struct page *, mutex_lock(&mapping->i_mmap_mutex); vma_interval_tree_foreach(vma, &mapping->i_mmap, pgoff, pgoff) { unsigned long address = vma_address(page, vma); + + cond_resched(); ret = rmap_one(page, vma, address, arg); if (ret != SWAP_AGAIN) break; |