Lines Matching full:compressed

8 Zswap is a lightweight compressed cache for swap pages. It takes pages that are
12 significant performance improvement if reads from the compressed cache are
26 Zswap evicts pages from compressed cache on an LRU basis to the backing swap
27 device when the compressed pool reaches its size limit.  This requirement had
42 back into memory all of the pages stored in the compressed pool.  The
43 pages stored in zswap will remain in the compressed pool until they are
45 pages out of the compressed pool, a swapoff on the swap device(s) will
47 compressed pool.
53 evict pages from its own compressed pool on an LRU basis and write them back to
54 the backing swap device in the case that the compressed pool is full.
56 Zswap makes use of zpool for the managing the compressed memory pool.  Each
59 accessed.  The compressed memory pool grows on demand and shrinks as compressed
68 The zbud type zpool allocates exactly 1 page to store 2 compressed pages, which
70 zbud pages).  The zsmalloc type zpool has a more complex compressed page
75 handle that references that compressed swap page.  This mapping is achieved
85 to free the compressed entry.
90 * max_pool_percent - The maximum percentage of memory that the compressed
102 compressed pages are not modified; they are left in their own zpool.  When a
111 compressed length of the page is set to zero and the pattern or same-filled