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[124.209.188.1]) by smtp.gmail.com with ESMTPSA id ja3-20020a170902efc300b001a65258011bsm6458214plb.26.2023.04.16.19.44.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 16 Apr 2023 19:44:50 -0700 (PDT) Date: Mon, 17 Apr 2023 11:44:46 +0900 From: Sergey Senozhatsky To: Yu Zhao Cc: Sergey Senozhatsky , Minchan Kim , Andrew Morton , Yosry Ahmed , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCHv4 0/4] zsmalloc: fine-grained fullness and new compaction algorithm Message-ID: <20230417024446.GL25053@google.com> References: <20230304034835.2082479-1-senozhatsky@chromium.org> <20230416151853.GK25053@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, 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 On (23/04/16 13:27), Yu Zhao wrote: > > Hi, > > > > Did you bisect it down to this series? > > Not exactly -- since this series was the only suspect I had, I cherry > picked it to v6.3-rc6 and verified it is the culprit. Can't reproduce it yet. One of the theories is that get_fullness_group() maybe returns an invalid index, but I don't immediately see how would it do so. Is the problem reproducible? Do you run some specific test?