linux-kernel - Re: [PATCH 0/2] (Was: perf_event_mmap(vma) && !vma->vm

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Message-ID: <20131016205807.GG10651@twins.programming.kicks-ass.net>
Date:	Wed, 16 Oct 2013 22:58:07 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] (Was: perf_event_mmap(vma) && !vma->vm_mm)

On Wed, Oct 16, 2013 at 10:43:48PM +0200, Oleg Nesterov wrote:
> Peter, just in case. I understand that this all is minor. Just I am
> confused. And in any case I do think we do not need __GFP_ZERO when
> it comes to PAGE_SIZE allocation.

Yeah; we could probably avoid it; if only the strcpy functions would
return how many bytes they copied :/ Then we could create a nice little
helper to \0 the tail end for alignment.

Anyway, as long as the resulting code is obvious and makes it hard to
leak something I'm fine.
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