On Tue, 23 Aug 2011, Christoph Hellwig wrote: > FYI, the "shrinker" interface in include/linux/shrinker.h is how the > VM tells subsystems to shrink their memory usage. It is used for > various slab caches, and the XFS buffercache in > fs/xfs/linux-2.6/xfs_buf.c BTW. shrinker functions from xfs_qm.c - xfs_qm_shake and xfs_qm_shake_freelist - look completely bogus. They don't read sc->nr_to_scan to determine how many values they should scan (and compare it with zero to test if they should scan at all) and they return the number of entries freed - the interface specifies that they should return the number of entries remaining the in cache. Mikulas -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
