From: "Thomas Weißschuh" <linux@weissschuh.net>
To: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 0/8] objtool: reduce maximum memory usage
Date: Tue, 31 Jan 2023 03:54:42 +0000 [thread overview]
Message-ID: <20230131035442.yzq4opasci7azt2j@t-8ch.de> (raw)
In-Reply-To: <20230131000356.5u2siglndnjyarql@treble>
On Mon, Jan 30, 2023 at 04:03:56PM -0800, Josh Poimboeuf wrote:
> On Sun, Jan 29, 2023 at 09:43:39PM +0000, Thomas Weißschuh wrote:
> > On Tue, Dec 27, 2022 at 04:00:57PM +0000, Thomas Weißschuh wrote:
> > > The processing of vmlinux.o with objtool is the most memory-intensive step
> > > of a kernel build. By reducing the maximum memory usage here we can reduce
> > > the maximum memory usage of the whole kernel build.
> > > Therefore memory pressure on memory starved machines is relieved during
> > > kernel builds and the build is faster as less swapping has to occur.
> >
> > Friendly ping.
> >
> > These patches can also applied one by one, the only dependency is from
> > patch 5 to patch 4.
>
> Thanks, I'll go ahead and take five of them now.
Thanks.
I have another half-finished series that replaces the doubly-linked
list_heads used by elf.h with a custom singly-linked list.
This would save a few pointers per struct.
Do you think this is worth it?
Thomas
next prev parent reply other threads:[~2023-01-31 3:54 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-27 16:00 [PATCH v2 0/8] reduce maximum memory usage Thomas Weißschuh
2022-12-27 16:00 ` [PATCH v2 1/8] objtool: make struct entries[] static and const Thomas Weißschuh
2023-02-01 16:26 ` [tip: objtool/core] objtool: Make " tip-bot2 for Thomas Weißschuh
2023-02-04 10:17 ` tip-bot2 for Thomas Weißschuh
2022-12-27 16:00 ` [PATCH v2 2/8] objtool: make struct check_options static Thomas Weißschuh
2023-02-01 16:26 ` [tip: objtool/core] objtool: Make " tip-bot2 for Thomas Weißschuh
2023-02-04 10:17 ` tip-bot2 for Thomas Weißschuh
2022-12-27 16:00 ` [PATCH v2 3/8] objtool: allocate multiple structures with calloc() Thomas Weißschuh
2023-01-30 23:53 ` Josh Poimboeuf
2023-02-01 16:26 ` [tip: objtool/core] objtool: Allocate " tip-bot2 for Thomas Weißschuh
2023-02-04 10:17 ` tip-bot2 for Thomas Weißschuh
2022-12-27 16:01 ` [PATCH v2 4/8] objtool: introduce function elf_reloc_set_type Thomas Weißschuh
2022-12-27 16:01 ` [PATCH v2 5/8] objtool: reduce memory usage of struct reloc Thomas Weißschuh
2022-12-29 1:33 ` Rong Tao
2022-12-29 2:26 ` Thomas Weißschuh
2022-12-29 3:29 ` Rong Tao
2022-12-29 5:57 ` Thomas Weißschuh
2023-01-30 23:59 ` Josh Poimboeuf
2022-12-27 16:01 ` [PATCH v2 6/8] objtool: optimize layout of struct symbol Thomas Weißschuh
2023-02-01 16:26 ` [tip: objtool/core] objtool: Optimize " tip-bot2 for Thomas Weißschuh
2023-02-04 10:17 ` tip-bot2 for Thomas Weißschuh
2022-12-27 16:01 ` [PATCH v2 7/8] objtool: optimize layout of struct special_alt Thomas Weißschuh
2023-02-01 16:26 ` [tip: objtool/core] objtool: Optimize " tip-bot2 for Thomas Weißschuh
2023-02-04 10:17 ` tip-bot2 for Thomas Weißschuh
2022-12-27 16:01 ` [PATCH v2 8/8] objtool: explicitly cleanup resources on success Thomas Weißschuh
2023-01-31 0:02 ` Josh Poimboeuf
2023-01-29 21:43 ` [PATCH v2 0/8] objtool: reduce maximum memory usage Thomas Weißschuh
2023-01-31 0:03 ` Josh Poimboeuf
2023-01-31 3:54 ` Thomas Weißschuh [this message]
2023-01-31 17:27 ` Josh Poimboeuf
2023-02-07 17:30 ` Josh Poimboeuf
2023-02-01 12:51 ` David Laight
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=20230131035442.yzq4opasci7azt2j@t-8ch.de \
--to=linux@weissschuh.net \
--cc=jpoimboe@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=peterz@infradead.org \
/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).