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Sridhar" To: hannes@cmpxchg.org, yosry@kernel.org, nphamcs@gmail.com, chengming.zhou@linux.dev, akpm@linux-foundation.org, kanchanapsridhar2026@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: herbert@gondor.apana.org.au, senozhatsky@chromium.org Subject: [PATCH 0/2] zswap pool per-CPU acomp_ctx simplifications Date: Fri, 13 Mar 2026 22:16:30 -0700 Message-Id: <20260314051632.17931-1-kanchanapsridhar2026@gmail.com> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This patchset persists the zswap pool's per-CPU acomp_ctx resources to last until the pool is destroyed. It then simplifies the per-CPU acomp_ctx mutex locking in zswap_compress()/zswap_decompress(). Further, it consistently uses the same checks for valid acomp_ctx->acomp/req in zswap procedures that allocate/deallocate acomp_ctx members. These are independent submissions of patches 23 and 24 from [1], to facilitate merging. The Acks are preserved from [1]. [1]: https://patchwork.kernel.org/project/linux-mm/list/?series=1046677 Kanchana P. Sridhar (2): mm: zswap: Tie per-CPU acomp_ctx lifetime to the pool. mm: zswap: Consistently use IS_ERR_OR_NULL() to check acomp_ctx resources. mm/zswap.c | 163 ++++++++++++++++++++++------------------------------- 1 file changed, 66 insertions(+), 97 deletions(-) -- 2.39.5