linux-kernel - Re: [patch 0/5] Support for sanitization flag in low-level page allocator

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Message-ID: <20090530073528.GK29711@oblivion.subreption.com>
Date:	Sat, 30 May 2009 00:35:28 -0700
From:	"Larry H." <research@...reption.com>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"Larry H." <research@...reption.com>, peterz@...radead.org,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	linux-mm@...ck.org, mingo@...hat.com, pageexec@...email.hu
Subject: Re: [patch 0/5] Support for sanitization flag in low-level page
	allocator

On 10:12 Sat 30 May     , Pekka Enberg wrote:
> Hi Andrew,
> 
> On Sat, May 30, 2009 at 1:58 AM, Andrew Morton
> <akpm@...ux-foundation.org> wrote:
> > ?But how to do that? ?Particular callsites don't get to alter
> > ?kfree()'s behaviour. ?So they'd need to use a new kfree_sensitive().
> > ?Which is just syntactic sugar around the code whihc we presently
> > ?implement.
> 
> Unless I am missing something here, we already have kfree_sensitive(),
> we just call it kzfree().

You should test that. The results might be surprising, though.

	Larry

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