From: Andrew Morton <akpm@linux-foundation.org>
To: Suren Baghdasaryan <surenb@google.com>
Cc: "Colin Cross" <ccross@google.com>,
"Sumit Semwal" <sumit.semwal@linaro.org>,
"Michal Hocko" <mhocko@suse.com>,
"Dave Hansen" <dave.hansen@intel.com>,
"Kees Cook" <keescook@chromium.org>,
"Matthew Wilcox" <willy@infradead.org>,
"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
"Vlastimil Babka" <vbabka@suse.cz>,
"Johannes Weiner" <hannes@cmpxchg.org>,
"Jonathan Corbet" <corbet@lwn.net>,
"Al Viro" <viro@zeniv.linux.org.uk>,
"Randy Dunlap" <rdunlap@infradead.org>,
"Kalesh Singh" <kaleshsingh@google.com>,
"Peter Xu" <peterx@redhat.com>,
rppt@kernel.org, "Peter Zijlstra" <peterz@infradead.org>,
"Catalin Marinas" <catalin.marinas@arm.com>,
vincenzo.frascino@arm.com,
"Chinwen Chang" <chinwen.chang@mediatek.com>,
"Axel Rasmussen" <axelrasmussen@google.com>,
"Andrea Arcangeli" <aarcange@redhat.com>,
"Jann Horn" <jannh@google.com>,
apopple@nvidia.com, "John Hubbard" <jhubbard@nvidia.com>,
"Yu Zhao" <yuzhao@google.com>, "Will Deacon" <will@kernel.org>,
fenghua.yu@intel.com, thunder.leizhen@huawei.com,
"Hugh Dickins" <hughd@google.com>,
feng.tang@intel.com, "Jason Gunthorpe" <jgg@ziepe.ca>,
"Roman Gushchin" <guro@fb.com>,
"Thomas Gleixner" <tglx@linutronix.de>,
krisman@collabora.com, "Chris Hyser" <chris.hyser@oracle.com>,
"Peter Collingbourne" <pcc@google.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
"Jens Axboe" <axboe@kernel.dk>,
legion@kernel.org, "Rolf Eike Beer" <eb@emlix.com>,
"Cyrill Gorcunov" <gorcunov@gmail.com>,
"Pavel Machek" <pavel@ucw.cz>,
"Muchun Song" <songmuchun@bytedance.com>,
"Viresh Kumar" <viresh.kumar@linaro.org>,
"Thomas Cedeno" <thomascedeno@google.com>,
sashal@kernel.org, cxfcosmos@gmail.com,
"Rasmus Villemoes" <linux@rasmusvillemoes.dk>,
LKML <linux-kernel@vger.kernel.org>,
linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org,
linux-mm <linux-mm@kvack.org>,
kernel-team <kernel-team@android.com>
Subject: Re: [PATCH v11 2/3] mm: add a field to store names for private anonymous memory
Date: Mon, 15 Nov 2021 21:19:05 -0800 [thread overview]
Message-ID: <20211115211905.faef6f9db3ce4a6fb9ed66a2@linux-foundation.org> (raw)
In-Reply-To: <CAJuCfpGG-j00eDL8p3vNDh4ye2Ja4untoA20UdTkTubm3AfMEQ@mail.gmail.com>
On Tue, 19 Oct 2021 14:58:36 -0700 Suren Baghdasaryan <surenb@google.com> wrote:
> As Andrew suggested, I checked the image sizes with allnoconfig builds:
>
> unpatched Linus' ToT
> text data bss dec hex filename
> 1324759 32 73928 1398719 1557bf vmlinux
>
> After the first patch is applied (madvise refactoring)
> text data bss dec hex filename
> 1322346 32 73928 1396306 154e52 vmlinux
> >>> 2413 bytes decrease vs ToT <<<
>
> After all patches applied with CONFIG_ANON_VMA_NAME=n
> text data bss dec hex filename
> 1322337 32 73928 1396297 154e49 vmlinux
> >>> 2422 bytes decrease vs ToT <<<
>
> After all patches applied with CONFIG_ANON_VMA_NAME=y
> text data bss dec hex filename
> 1325228 32 73928 1399188 155994 vmlinux
> >>> 469 bytes increase vs ToT <<<
Nice. Presumably there are memory savings from no longer duplicating
the vma names?
I fudged up a [0/n] changelog (please don't forget this) and merged it
all for testing.
next prev parent reply other threads:[~2021-11-16 5:19 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-19 21:55 [PATCH v11 1/3] mm: rearrange madvise code to allow for reuse Suren Baghdasaryan
2021-10-19 21:55 ` [PATCH v11 2/3] mm: add a field to store names for private anonymous memory Suren Baghdasaryan
2021-10-19 21:58 ` Suren Baghdasaryan
2021-11-16 5:19 ` Andrew Morton [this message]
2021-11-16 6:10 ` Suren Baghdasaryan
2021-10-27 18:35 ` Alexey Alexandrov
2021-10-27 20:01 ` Suren Baghdasaryan
2021-10-28 22:08 ` Suren Baghdasaryan
2021-11-15 18:59 ` Suren Baghdasaryan
2021-11-16 9:51 ` Michal Hocko
2021-11-16 16:29 ` Suren Baghdasaryan
2021-10-19 21:55 ` [PATCH v11 3/3] mm: add anonymous vma name refcounting Suren Baghdasaryan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20211115211905.faef6f9db3ce4a6fb9ed66a2@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=aarcange@redhat.com \
--cc=apopple@nvidia.com \
--cc=axboe@kernel.dk \
--cc=axelrasmussen@google.com \
--cc=catalin.marinas@arm.com \
--cc=ccross@google.com \
--cc=chinwen.chang@mediatek.com \
--cc=chris.hyser@oracle.com \
--cc=corbet@lwn.net \
--cc=cxfcosmos@gmail.com \
--cc=dave.hansen@intel.com \
--cc=eb@emlix.com \
--cc=ebiederm@xmission.com \
--cc=feng.tang@intel.com \
--cc=fenghua.yu@intel.com \
--cc=gorcunov@gmail.com \
--cc=guro@fb.com \
--cc=hannes@cmpxchg.org \
--cc=hughd@google.com \
--cc=jannh@google.com \
--cc=jgg@ziepe.ca \
--cc=jhubbard@nvidia.com \
--cc=kaleshsingh@google.com \
--cc=keescook@chromium.org \
--cc=kernel-team@android.com \
--cc=kirill.shutemov@linux.intel.com \
--cc=krisman@collabora.com \
--cc=legion@kernel.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux@rasmusvillemoes.dk \
--cc=mhocko@suse.com \
--cc=pavel@ucw.cz \
--cc=pcc@google.com \
--cc=peterx@redhat.com \
--cc=peterz@infradead.org \
--cc=rdunlap@infradead.org \
--cc=rppt@kernel.org \
--cc=sashal@kernel.org \
--cc=songmuchun@bytedance.com \
--cc=sumit.semwal@linaro.org \
--cc=surenb@google.com \
--cc=tglx@linutronix.de \
--cc=thomascedeno@google.com \
--cc=thunder.leizhen@huawei.com \
--cc=vbabka@suse.cz \
--cc=vincenzo.frascino@arm.com \
--cc=viresh.kumar@linaro.org \
--cc=viro@zeniv.linux.org.uk \
--cc=will@kernel.org \
--cc=willy@infradead.org \
--cc=yuzhao@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).