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Shutemov" , Linus Torvalds , Joerg Roedel Subject: [PATCH v5 15/20] decompress: Use 8 byte alignment Date: Wed, 7 Jun 2023 09:23:37 +0200 Message-Id: <20230607072342.4054036-16-ardb@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230607072342.4054036-1-ardb@kernel.org> References: <20230607072342.4054036-1-ardb@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=737; i=ardb@kernel.org; h=from:subject; bh=TDhagb7/1BjVNI9fsBOdvguiTH1+pJKnlE7Km5AKGt0=; b=owGbwMvMwCFmkMcZplerG8N4Wi2JIaXBoNwx+Byz1Ywd4vxs4ZLqct3rK24U3ZBefYk5ou4gx 1T+gDsdpSwMYhwMsmKKLAKz/77beXqiVK3zLFmYOaxMIEMYuDgFYCICJxj+CpbPu3D/CcsitZol Eht9De+3R/xcu7zg3NfQn78EuLIeHWP4p/9kduedmXcF1pc/XPt+lnXrSbsHZ6b/7W+++l7v19z Lp7gA X-Developer-Key: i=ardb@kernel.org; a=openpgp; fpr=F43D03328115A198C90016883D200E9CA6329909 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1768027993796264573?= X-GMAIL-MSGID: =?utf-8?q?1768027993796264573?= The ZSTD decompressor requires malloc() allocations to be 8 byte aligned, so ensure that this the case. Signed-off-by: Ard Biesheuvel --- include/linux/decompress/mm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h index 9192986b1a731323..ac862422df158bef 100644 --- a/include/linux/decompress/mm.h +++ b/include/linux/decompress/mm.h @@ -48,7 +48,7 @@ MALLOC_VISIBLE void *malloc(int size) if (!malloc_ptr) malloc_ptr = free_mem_ptr; - malloc_ptr = (malloc_ptr + 3) & ~3; /* Align */ + malloc_ptr = (malloc_ptr + 7) & ~7; /* Align */ p = (void *)malloc_ptr; malloc_ptr += size;