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Message-ID: <5037BBED.4050509@gentoo.org>
Date: Fri, 24 Aug 2012 19:37:49 +0200
From: Luca Barbato <lu_zero@...too.org>
To: musl@...ts.openwall.com
Subject: Re: build musl with clang
On 8/23/12 7:55 PM, Rich Felker wrote:
> for (i=0; i<n; i++) if (mem[i]) mem[i] = 0;
>
> I am not willing to remove the if, because it serves a valuable
> purpose: it avoids writing to pages that are already all-zero, which
> in turn reduces swap pressure/dirty pages.
Are you sure absolutely sure it does have the intended effect?
lu
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