linux-kernel - Re: [patch 05/26] Slab allocators: Cleanup zeroing allocations

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Message-ID: <84144f020706181326i6923cccdm21d122ee9eee8fb7@mail.gmail.com>
Date:	Mon, 18 Jun 2007 23:26:41 +0300
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"clameter@....com" <clameter@....com>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, suresh.b.siddha@...el.com
Subject: Re: [patch 05/26] Slab allocators: Cleanup zeroing allocations

On 6/18/07, Pekka Enberg <penberg@...helsinki.fi> wrote:
> Hmm, did you check kernel text size before and after this change?
> Setting the __GFP_ZERO flag at every kzalloc call-site seems like a
> bad idea.

Aah but most call-sites, of course, use constants such as GFP_KERNEL
only which should be folded nicely by the compiler. So this probably
doesn't have much impact. Would be nice if you'd check, though.
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