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([2804:1b3:a7c2:94e:b32d:2af9:e993:fe7c]) by smtp.gmail.com with ESMTPSA id 16-20020aa79150000000b006c2fcb25c15sm1466578pfi.162.2023.11.23.09.29.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Nov 2023 09:29:19 -0800 (PST) From: Adhemerval Zanella To: libc-alpha@sourceware.org, DJ Delorie Cc: Zhangfei Gao Subject: [PATCH v2 0/2] Improve MAP_HUGETLB with glibc.malloc.hugetlb=2 Date: Thu, 23 Nov 2023 14:29:13 -0300 Message-Id: <20231123172915.893408-1-adhemerval.zanella@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-5.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, KAM_NUMSUBJECT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org On some tests with glibc.malloc.hugetlb=2, there are some allocation patterns that are not backed up by large pages (different than libhugetlfs morecore implementation). Adhemerval Zanella (2): elf: Add a way to check if tunable is set (BZ 27069) malloc: Improve MAP_HUGETLB with glibc.malloc.hugetlb=2 elf/Versions | 1 + elf/dl-tunable-types.h | 1 + elf/dl-tunables.c | 40 ++++++++++++++++++++++++++++++++++++++++ elf/dl-tunables.h | 28 ++++++++++++++++++++++++++++ elf/dl-tunables.list | 1 + malloc/arena.c | 13 ++++++++++--- scripts/gen-tunables.awk | 4 ++-- 7 files changed, 83 insertions(+), 5 deletions(-) Tested-by: Zhangfei Gao