mm: account reaped page cache on inode cache pruning

Inode cache pruning indirectly reclaims page-cache by invalidating mapping
pages.  Let's account them into reclaim-state to notice this progress in
memory reclaimer.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Dave Chinner <david@fromorbit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Konstantin Khlebnikov 2012-01-10 15:07:18 -08:00 committed by Linus Torvalds
parent f90ac3982a
commit 5f8aefd44e

View file

@ -776,6 +776,8 @@ void prune_icache_sb(struct super_block *sb, int nr_to_scan)
else
__count_vm_events(PGINODESTEAL, reap);
spin_unlock(&sb->s_inode_lru_lock);
if (current->reclaim_state)
current->reclaim_state->reclaimed_slab += reap;
dispose_list(&freeable);
}