[PATCH 02/16] FS-Cache: Recruit a couple of page flags for cache management [try #3]

Recruit a couple of page flags to aid in cache management. The following extra flags are defined: (1) PG_fscache (PG_owner_priv_2) The marked page is backed by a local cache and is pinning resources in the cache driver. (2) PG_fscache_write (PG_owner_priv_3) The marked page

[PATCH 02/16] FS-Cache: Recruit a couple of page flags for cache management [try #3]

Recruit a couple of page flags to aid in cache management. The following extra flags are defined: (1) PG_fscache (PG_owner_priv_2) The marked page is backed by a local cache and is pinning resources in the cache driver. (2) PG_fscache_write (PG_owner_priv_3) The marked page