On Tue, Nov 08, 2022 at 11:32:02AM -0800, Nhat Pham wrote: > Changelog: > v3: > * Set pool->ops = NULL when pool->zpool_ops is null (patch 4). > * Stop holding pool's lock when calling lock_zspage() (patch 5). > (suggested by Sergey Senozhatsky) > * Stop holding pool's lock when checking pool->ops and retries. > (patch 5) (suggested by Sergey Senozhatsky) > * Fix formatting issues (.shrink, extra spaces in casting removed). > (patch 5) (suggested by Sergey Senozhatsky) > > v2: > * Add missing CONFIG_ZPOOL ifdefs (patch 5) > (detected by kernel test robot). > > Unlike other zswap's allocators such as zbud or z3fold, zsmalloc > currently lacks the writeback mechanism. This means that when the zswap > pool is full, it will simply reject further allocations, and the pages > will be written directly to swap. > > This series of patches implements writeback for zsmalloc. When the zswap > pool becomes full, zsmalloc will attempt to evict all the compressed > objects in the least-recently used zspages. > > There are 5 patches in this series: For the series: Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
