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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2007-10-16 23:25:47 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 08:42:45 -0700
commitc9e51e4180696aa67915ec5665e4ec74125565de (patch)
treed66e1427b16e56bc7da0dfb583a6d8edb55a2c3e /fs/buffer.c
parentb2e8fb6efa209c82203c79b491b5bc952d44aa57 (diff)
mm: count reclaimable pages per BDI
Count per BDI reclaimable pages; nr_reclaimable = nr_dirty + nr_unstable. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/buffer.c')
-rw-r--r--fs/buffer.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index faceb5eecca..86e58b1dcd9 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -710,6 +710,8 @@ static int __set_page_dirty(struct page *page,
if (mapping_cap_account_dirty(mapping)) {
__inc_zone_page_state(page, NR_FILE_DIRTY);
+ __inc_bdi_stat(mapping->backing_dev_info,
+ BDI_RECLAIMABLE);
task_io_account_write(PAGE_CACHE_SIZE);
}
radix_tree_tag_set(&mapping->page_tree,