Messages in this thread | | | Date | Tue, 8 Nov 2022 15:45:35 -0500 | From | Johannes Weiner <> | Subject | Re: [PATCH v3 0/5] Implement writeback for zsmalloc |
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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@cmpxchg.org>
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