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Sun, 30 Jul 2023 05:53:31 -0700 (PDT) Received: from nixos.tailf4e9e.ts.net ([47.75.78.161]) by smtp.googlemail.com with ESMTPSA id s9-20020aa78d49000000b00687260020b1sm1731130pfe.72.2023.07.30.05.53.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 30 Jul 2023 05:53:30 -0700 (PDT) From: Xueshi Hu To: mike.kravetz@oracle.com, muchun.song@linux.dev, akpm@linux-foundation.org Cc: linux-mm@kvack.org, Xueshi Hu Subject: [PATCH 0/3] mm/hugetlb: fix /sys and /proc fs dealing with persistent hugepages Date: Sun, 30 Jul 2023 20:51:53 +0800 Message-Id: <20230730125156.207301-1-xueshi.hu@smartx.com> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 X-Rspamd-Queue-Id: B0ABEC001A X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: qnupba6azsy3i3jbkc877k6d8gf7qxu8 X-HE-Tag: 1690721612-210126 X-HE-Meta: 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 vhz0etFF SDvlNdMGbSAJ9Ct7D0Fi9GFCJA00CCIZUzxP+jhuCvEqRFtKO9+HQDLA6tbfG5lkondvl58EL2WLVZHJIkliYFkVGS+jviNTjQt2fizBT4hz7qln3NqvtYUt4KZlQGWYPOb//tptHqi6CtyjWWKxRNrf9rnkaEO7pZqNTK9jgrSIxpKbl/Zc20l/ShKz8+DfKheSt5axCm65sRO3+wcdZ3W/tmbsK79NUSE9z+vfUxbvHCc+5yTYCEbjvh7dGPdIo1V4G0jxKQ9R60K89wHfnLHEPjqNiT+xvPhHZXKE8nFcEPEe/lilLkM9GNdR+K2GvFZOQMcDKlTvu6iQWogM1t4d2AYQvcN20xTDoRTJQPAgfKhw= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi, The interfaces provided by /sys and /proc for handling huge pages do not adequately address the meaning of persistent. Luckily, this can be easily resolved with minor modifications. Additionally, code relevant with hstate:max_huge_pages can be simplified. Thanks, Hu Xueshi Hu (3): mm/hugetlb: fix the inconsistency of /proc/sys/vm/nr_huge_pages mm/hugeltb: clean up hstate::max_huge_pages mm/hugeltb: fix nodes huge page allocation when there are surplus pages fs/hugetlbfs/inode.c | 2 +- mm/hugetlb.c | 30 +++++++++--------------------- 2 files changed, 10 insertions(+), 22 deletions(-)