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Mon, 09 Nov 2026 21:39:54 -0800 (PST) Received: from google.com ([2a00:79e0:2031:6:e137:9384:7cd8:6e40]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3b168ff86e7sm1041404a91.2.2026.11.09.21.39.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Nov 2026 21:39:53 -0800 (PST) Date: Tue, 10 Nov 2026 14:39:43 +0900 From: Sergey Senozhatsky To: Michal Wilczynski Cc: Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Russell King , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Minchan Kim , Sergey Senozhatsky , Jens Axboe , Andrew Morton , linux-kernel@vger.kernel.org, llvm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linux-s390@vger.kernel.org, linux-block@vger.kernel.org, Yann Collet , Nick Terrell , Gao Xiang , Chao Yu , Jaegeuk Kim , Eric Biggers , Herbert Xu , David Laight , Sungguk , Jaehoon Chung , Marek Szyprowski , linux-erofs@lists.ozlabs.org, linux-f2fs-devel@lists.sourceforge.net, linux-crypto@vger.kernel.org Subject: Re: [PATCH v2 13/15] lib/lz4: switch the decompressor to the vendored sources Message-ID: References: <20261106-lz4-vendor-upstream-v2-0-ee04c3f0d7dc@samsung.com> <20261106-lz4-vendor-upstream-v2-13-ee04c3f0d7dc@samsung.com> X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261106-lz4-vendor-upstream-v2-13-ee04c3f0d7dc@samsung.com> On (26/11/06 15:42), Michal Wilczynski wrote: [..] > diff --git a/drivers/block/zram/backend_lz4.c b/drivers/block/zram/backend_lz4.c > index 50265e3ce256490994cb6dae32a45da376e408e0..b9b8a5f678c155442fa3fd2c1984e45182e6fc38 100644 > --- a/drivers/block/zram/backend_lz4.c > +++ b/drivers/block/zram/backend_lz4.c > @@ -84,7 +84,7 @@ static int lz4_create(struct zcomp_params *params, struct zcomp_ctx *ctx) > if (!zctx->mem) > goto error; > } else { > - zctx->dstrm = kzalloc_obj(*zctx->dstrm); > + zctx->dstrm = kzalloc(LZ4_MEM_DECOMPRESS, GFP_KERNEL); > if (!zctx->dstrm) > goto error; > > diff --git a/drivers/block/zram/backend_lz4hc.c b/drivers/block/zram/backend_lz4hc.c > index e7ee3740219852f079d1e0866da6b213a3f3a583..1e09c93016264259c149e2913b2819571b56fab6 100644 > --- a/drivers/block/zram/backend_lz4hc.c > +++ b/drivers/block/zram/backend_lz4hc.c > @@ -65,7 +65,7 @@ static int lz4hc_create(struct zcomp_params *params, struct zcomp_ctx *ctx) > if (!zctx->mem) > goto error; > } else { > - zctx->dstrm = kzalloc_obj(*zctx->dstrm); > + zctx->dstrm = kzalloc(LZ4_MEM_DECOMPRESS, GFP_KERNEL); > if (!zctx->dstrm) > goto error; Ditto, outdated zram code. My ask would be to not squash zram changes with lz4 changes, when (iff) possible. 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Mon, 09 Nov 2026 21:39:54 -0800 (PST) Received: from google.com ([2a00:79e0:2031:6:e137:9384:7cd8:6e40]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3b168ff86e7sm1041404a91.2.2026.11.09.21.39.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Nov 2026 21:39:53 -0800 (PST) Date: Tue, 10 Nov 2026 14:39:43 +0900 From: Sergey Senozhatsky To: Michal Wilczynski Message-ID: References: <20261106-lz4-vendor-upstream-v2-0-ee04c3f0d7dc@samsung.com> <20261106-lz4-vendor-upstream-v2-13-ee04c3f0d7dc@samsung.com> X-Archived-By: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20261106-lz4-vendor-upstream-v2-13-ee04c3f0d7dc@samsung.com> X-Spam-Score: -0.2 (/) X-Headers-End: 1xQexa-000000003HL-25zc Subject: Re: [f2fs-dev] [PATCH v2 13/15] lib/lz4: switch the decompressor to the vendored sources X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dave Hansen , linux-mips@vger.kernel.org, "James E.J. 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Peter Anvin" , Alexander Gordeev , Sungguk , Marek Szyprowski , linux-s390@vger.kernel.org, Herbert Xu , Minchan Kim , Helge Deller , x86@kernel.org, Russell King , Eric Biggers , Ingo Molnar , Yann Collet , Gao Xiang , Christian Borntraeger , Sven Schnelle , llvm@lists.linux.dev, Vasily Gorbik , Heiko Carstens , linux-crypto@vger.kernel.org, Nathan Chancellor , Nick Terrell , Borislav Petkov , Jaegeuk Kim , linux-arm-kernel@lists.infradead.org, Jens Axboe , linux-block@vger.kernel.org, Thomas Bogendoerfer , linux-parisc@vger.kernel.org, Nick Desaulniers , linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, Sergey Senozhatsky , Thomas Gleixner , Justin Stitt , Andrew Morton , linux-erofs@lists.ozlabs.org, David Laight Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-8.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On (26/11/06 15:42), Michal Wilczynski wrote: [..] > diff --git a/drivers/block/zram/backend_lz4.c b/drivers/block/zram/backend_lz4.c > index 50265e3ce256490994cb6dae32a45da376e408e0..b9b8a5f678c155442fa3fd2c1984e45182e6fc38 100644 > --- a/drivers/block/zram/backend_lz4.c > +++ b/drivers/block/zram/backend_lz4.c > @@ -84,7 +84,7 @@ static int lz4_create(struct zcomp_params *params, struct zcomp_ctx *ctx) > if (!zctx->mem) > goto error; > } else { > - zctx->dstrm = kzalloc_obj(*zctx->dstrm); > + zctx->dstrm = kzalloc(LZ4_MEM_DECOMPRESS, GFP_KERNEL); > if (!zctx->dstrm) > goto error; > > diff --git a/drivers/block/zram/backend_lz4hc.c b/drivers/block/zram/backend_lz4hc.c > index e7ee3740219852f079d1e0866da6b213a3f3a583..1e09c93016264259c149e2913b2819571b56fab6 100644 > --- a/drivers/block/zram/backend_lz4hc.c > +++ b/drivers/block/zram/backend_lz4hc.c > @@ -65,7 +65,7 @@ static int lz4hc_create(struct zcomp_params *params, struct zcomp_ctx *ctx) > if (!zctx->mem) > goto error; > } else { > - zctx->dstrm = kzalloc_obj(*zctx->dstrm); > + zctx->dstrm = kzalloc(LZ4_MEM_DECOMPRESS, GFP_KERNEL); > if (!zctx->dstrm) > goto error; Ditto, outdated zram code. My ask would be to not squash zram changes with lz4 changes, when (iff) possible. _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel