linux-kernel - [PATCH 00/10] objtool: Honey, I shrunk the instruction

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Date:   Wed, 08 Feb 2023 18:17:56 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     x86@...nel.org, jpoimboe@...hat.com, linux@...ssschuh.net
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org
Subject: [PATCH 00/10] objtool: Honey, I shrunk the instruction

Hi,

Boris complained he could no longer build allyesconfig on his 32G desktop
machine without having OOM terminate either objtool or chrome.

After talking about these patches on IRC, Nathan mentioned the linux-clang CI
was also having trouble of recent, and these patches appear to make it happy
again.

In total these patches shrink an allyesconfig run by about 6G:

pre:	5:58.22 real,   226.69 user,    131.22 sys,     26221520 mem
post:	5:03.34 real,   210.75 user,    88.80 sys,      20241232 mem

Also at:

  https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/log/?h=objtool/core