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From: Roman Gushchin To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Johannes Weiner , Michal Hocko , Shakeel Butt , Muchun Song Subject: Re: [PATCH v2 0/5] This patchset reorganizes page_counter structures which helps to make Message-ID: References: <20240724202103.1210065-1-roman.gushchin@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240724202103.1210065-1-roman.gushchin@linux.dev> X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 3EE941C0025 X-Stat-Signature: 9s5n7gbsjdup64qz898dp4z9kh68ddw8 X-Rspam-User: X-HE-Tag: 1721853636-917216 X-HE-Meta: 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 vMsm+otP zixjn3cvAWes3MwN2AnJyMurOznB3dQXI74zmnuquoRYEqp4647TFY555a419M9LqitwGZ83n9PFEwfbtjZNJHQbHOK4dDNW8naCeQP8tqpwtnVXDhZZ8aRCQaaheqULgv941mRGFShxFeLMGoBBbjiidT6xssMPgHTGNHootK/Xk5LgCmj0D0e2Q3BB/uMfdb2Rn6FsyyC+/4RAx7T3625t4Z3k4KxweKlVQfx23JkLWNwo+s+A4yGVXlVx/IN324GX/ 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: List-Subscribe: List-Unsubscribe: Ooops, there was a formatting error in the cover letter, my apologies. Here is a fixed version: -- >From a08acc7e656d279b461a645309745bca5218d7d2 Mon Sep 17 00:00:00 2001 From: Roman Gushchin Date: Wed, 24 Jul 2024 20:38:13 +0000 Subject: [PATCH v2 0/5] mm: memcg: merge page_counter trees This patchset reorganizes page_counter structures which helps to make memory cgroup and hugetlb cgroup structures smaller (10%-35% depending on the kernel configuration) and more cache-effective. It also eliminates useless tracking of protected memory usage when it's not needed. v2: - two page_counter structures per hugetlb cgroup instead of one - rebased to the current mm branch - many minor fixes and improvements v1: https://lore.kernel.org/lkml/20240503201835.2969707-1-roman.gushchin@linux.dev/T/#m77151ed83451a49132e29ef13d55e08b95ac867f Roman Gushchin (5): mm: memcg: don't call propagate_protected_usage() needlessly mm: page_counters: put page_counter_calculate_protection() under CONFIG_MEMCG mm: memcg: merge multiple page_counters into a single structure mm: page_counters: initialize usage using ATOMIC_LONG_INIT() macro mm: memcg: convert enum res_type to mem_counter_type include/linux/hugetlb.h | 4 +- include/linux/hugetlb_cgroup.h | 8 +- include/linux/memcontrol.h | 19 +-- include/linux/page_counter.h | 128 ++++++++++++++++---- mm/hugetlb.c | 14 +-- mm/hugetlb_cgroup.c | 150 +++++++++-------------- mm/memcontrol-v1.c | 154 ++++++++++-------------- mm/memcontrol-v1.h | 10 +- mm/memcontrol.c | 211 ++++++++++++++++----------------- mm/page_counter.c | 94 +++++++++------ 10 files changed, 403 insertions(+), 389 deletions(-) -- 2.46.0.rc1.232.g9752f9e123-goog