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Date: Wed, 6 Oct 2021 11:27:03 +0200 From: Peter Zijlstra <peterz@...radead.org> To: Kees Cook <keescook@...omium.org> Cc: Ingo Molnar <mingo@...hat.com>, Thomas Gleixner <tglx@...utronix.de>, Borislav Petkov <bp@...en8.de>, x86@...nel.org, Juri Lelli <juri.lelli@...hat.com>, Vincent Guittot <vincent.guittot@...aro.org>, Dietmar Eggemann <dietmar.eggemann@....com>, Steven Rostedt <rostedt@...dmis.org>, Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>, Daniel Bristot de Oliveira <bristot@...hat.com>, linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org Subject: Re: [PATCH] sched: task_struct: Fill unconditional hole induced by sched_entity On Tue, Oct 05, 2021 at 09:48:51PM -0700, Kees Cook wrote: > On Thu, Sep 23, 2021 at 07:54:50PM -0700, Kees Cook wrote: > > With struct sched_entity before the other sched entities, its alignment > > won't induce a struct hole. This saves 64 bytes in defconfig task_struct: > > Friendly ping. Can someone snag this for -tip please? Hurpmf... if only we had like perf driven pahole output :/ Picked it up, we'll see what if anything hurts.
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