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Message-ID: <20230131035442.yzq4opasci7azt2j@t-8ch.de>
Date: Tue, 31 Jan 2023 03:54:42 +0000
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Josh Poimboeuf <jpoimboe@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/8] objtool: reduce maximum memory usage
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
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