linux-kernel - Re: [PATCH 0/2] Fix migration races in rmap

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sat, 1 May 2010 15:51:10 +0200
From:	Johannes Weiner <hannes@...xchg.org>
To:	Andrea Arcangeli <aarcange@...hat.com>
Cc:	Mel Gorman <mel@....ul.ie>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux-MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Minchan Kim <minchan.kim@...il.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Christoph Lameter <cl@...ux.com>,
	Rik van Riel <riel@...hat.com>
Subject: Re: [PATCH 0/2] Fix migration races in rmap_walk() V3

On Fri, Apr 30, 2010 at 08:28:53PM +0200, Andrea Arcangeli wrote:
> Subject: adapt mprotect to anon_vma chain semantics
> 
> From: Andrea Arcangeli <aarcange@...hat.com>
> 
> wait_split_huge_page interface changed.
> 
> Signed-off-by: Andrea Arcangeli <aarcange@...hat.com>
> ---
> 
> diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> --- a/mm/huge_memory.c
> +++ b/mm/huge_memory.c
> @@ -929,7 +929,7 @@ int change_huge_pmd(struct vm_area_struc
>  	if (likely(pmd_trans_huge(*pmd))) {
>  		if (unlikely(pmd_trans_splitting(*pmd))) {
>  			spin_unlock(&mm->page_table_lock);
> -			wait_split_huge_page(vma->anon_vma, pmd);
> +			wait_split_huge_page(mm, pmd);

That makes mprotect-vma-arg obsolete, I guess.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/