From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2457418EFFB for ; Wed, 26 Jun 2024 19:02:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719428524; cv=none; b=gEncjd3LF894pG6ayeAZbi2NHIXQX1557O4CSbn8F9SmgpBmiURxapav+NQWsX3n+r/l5FFcivBY4pglZs2sYi5vCXjwQ2Z2DtyicVgj862E1n0tl0KYcsylpgiU2b/gOHnckFGQuKvNiyu5EJPpl2KmKuT7dnL+kMbTHK+QJfQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719428524; c=relaxed/simple; bh=j8asqZGkxmTAd4VVBd0qE7seapTb+BzYsnkFGkabcCU=; h=Date:To:From:Subject:Message-Id; b=l4RAMoCL4fGo4G+/WcrqQO4Wpw8ge+D9wisyLzNZ1PRQ/R0nzJU5JxMsdGbf+Swq+HpvHcysokrxf3lcU0jDWFeUNh4J0KsBAvcLFDow+GeAxm4HkUL4LLBqvUCiXMyNAOXZvHTcHqzYPKE05AaTA1+Zu5xqmJN/2tdObtNuiBw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=o2EIChis; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="o2EIChis" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 98D3EC116B1; Wed, 26 Jun 2024 19:02:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1719428523; bh=j8asqZGkxmTAd4VVBd0qE7seapTb+BzYsnkFGkabcCU=; h=Date:To:From:Subject:From; b=o2EIChisAhYZaBSCSjBMef0QOXqkWH2aKbnjejjr6kqDeGF8eXUMGfSIlU1JtAjIe /T/Z2gaSOXuHT4RbPplgaUtCrVIp8kBkwuDOPE6BIRtdWCUGjg9v9xKbomGWqC9IJM xHMm+dhti3lgBu5fL0PHQQFw+hOj4TFNctpoJsrY= Date: Wed, 26 Jun 2024 12:02:03 -0700 To: mm-commits@vger.kernel.org,willy@infradead.org,shakeel.butt@linux.dev,muchun.song@linux.dev,mhocko@suse.com,hannes@cmpxchg.org,roman.gushchin@linux.dev,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-memcg-put-cgroup-v1-related-members-of-task_struct-under-config-option-fix.patch added to mm-unstable branch Message-Id: <20240626190203.98D3EC116B1@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm-memcg-put-cgroup-v1-related-members-of-task_struct-under-config-option-fix has been added to the -mm mm-unstable branch. Its filename is mm-memcg-put-cgroup-v1-related-members-of-task_struct-under-config-option-fix.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-memcg-put-cgroup-v1-related-members-of-task_struct-under-config-option-fix.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Roman Gushchin Subject: mm-memcg-put-cgroup-v1-related-members-of-task_struct-under-config-option-fix Date: Wed, 26 Jun 2024 18:00:22 +0000 better config option description provided by Michal Link: https://lkml.kernel.org/r/ZnxXNtvqllc9CDoo@google.com Signed-off-by: Roman Gushchin Acked-by: Michal Hocko Acked-by: Shakeel Butt Cc: Johannes Weiner Cc: Matthew Wilcox (Oracle) Cc: Muchun Song Signed-off-by: Andrew Morton --- init/Kconfig | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) --- a/init/Kconfig~mm-memcg-put-cgroup-v1-related-members-of-task_struct-under-config-option-fix +++ a/init/Kconfig @@ -970,11 +970,19 @@ config MEMCG Provides control over the memory footprint of tasks in a cgroup. config MEMCG_V1 - bool "Legacy memory controller" + bool "Legacy cgroup v1 memory controller" depends on MEMCG default n help - Legacy cgroup v1 memory controller. + Legacy cgroup v1 memory controller which has been deprecated by + cgroup v2 implementation. The v1 is there for legacy applications + which haven't migrated to the new cgroup v2 interface yet. If you + do not have any such application then you are completely fine leaving + this option disabled. + + Please note that feature set of the legacy memory controller is likely + going to shrink due to deprecation process. New deployments with v1 + controller are highly discouraged. San N is unsure. _ Patches currently in -mm which might be from roman.gushchin@linux.dev are mm-memcg-introduce-memcontrol-v1c.patch mm-memcg-move-soft-limit-reclaim-code-to-memcontrol-v1c.patch mm-memcg-rename-soft-limit-reclaim-related-functions.patch mm-memcg-move-charge-migration-code-to-memcontrol-v1c.patch mm-memcg-rename-charge-move-related-functions.patch mm-memcg-move-legacy-memcg-event-code-into-memcontrol-v1c.patch mm-memcg-rename-memcg_check_events.patch mm-memcg-move-cgroup-v1-oom-handling-code-into-memcontrol-v1c.patch mm-memcg-rename-memcg_oom_recover.patch mm-memcg-move-cgroup-v1-interface-files-to-memcontrol-v1c.patch mm-memcg-make-memcg1_update_tree-static.patch mm-memcg-group-cgroup-v1-memcg-related-declarations.patch mm-memcg-put-cgroup-v1-related-members-of-task_struct-under-config-option.patch mm-memcg-put-cgroup-v1-related-members-of-task_struct-under-config-option-fix.patch maintainers-add-mm-memcontrol-v1c-h-to-the-list-of-maintained-files.patch