linux-kernel - Re: [PATCH 3/3] exec: kill the unnecessary mm->def_flags setting in load_elf

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Date:	Tue, 25 Feb 2014 18:03:29 -0500
From:	Rik van Riel <riel@...hat.com>
To:	Alex Thorlton <athorlton@....com>, linux-kernel@...r.kernel.org
CC:	Gerald Schaefer <gerald.schaefer@...ibm.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Christian Borntraeger <borntraeger@...ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Paolo Bonzini <pbonzini@...hat.com>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Mel Gorman <mgorman@...e.de>, Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Oleg Nesterov <oleg@...hat.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Alexander Viro <viro@...iv.linux.org.uk>, linux390@...ibm.com,
	linux-s390@...r.kernel.org, linux-mm@...ck.org,
	linux-api@...r.kernel.org
Subject: Re: [PATCH 3/3] exec: kill the unnecessary mm->def_flags setting
 in load_elf_binary()

On 02/25/2014 03:54 PM, Alex Thorlton wrote:
> load_elf_binary() sets current->mm->def_flags = def_flags and
> def_flags is always zero. Not only this looks strange, this is
> unnecessary because mm_init() has already set ->def_flags = 0. 
> 
> Signed-off-by: Alex Thorlton <athorlton@....com>
> Suggested-by: Oleg Nesterov <oleg@...hat.com>

Acked-by: Rik van Riel <riel@...hat.com>


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