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From: Michal Hocko <mhocko@suse.cz>
To: Hillf Danton <dhillf@gmail.com>
Cc: Mel Gorman <mgorman@suse.de>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linux-MM <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	David Rientjes <rientjes@google.com>
Subject: Re: [patch] hugetlb: correct page offset index for sharing pmd
Date: Fri, 10 Aug 2012 15:16:43 +0200	[thread overview]
Message-ID: <20120810131643.GC1425@dhcp22.suse.cz> (raw)
In-Reply-To: <CAJd=RBB8Yuk1FEQxTUbEEeD96oqnO26VojetuDgRo=JxOfnadw@mail.gmail.com>

[CCing Kamezawa and David]

On Fri 10-08-12 20:53:36, Hillf Danton wrote:
> On Fri, Aug 10, 2012 at 8:51 PM, Michal Hocko <mhocko@suse.cz> wrote:
> > On Fri 10-08-12 20:37:20, Hillf Danton wrote:
> >> On Fri, Aug 10, 2012 at 8:27 PM, Michal Hocko <mhocko@suse.cz> wrote:
> >> >
> >> > I guess you mean unmap_ref_private and that has been changed by you
> >> > (0c176d5 mm: hugetlb: fix pgoff computation when unmapping page from
> >> > vma)...  I was wrong at that time when giving my Reviewed-by. The patch
> >> > didn't break anything because you still find all relevant vmas because
> >> > vma_hugecache_offset just provides a smaller index which is still within
> >> > boundaries.
> >>
> >> No, as shown by the log message of 0c176d52b,  that fix was
> >> triggered by  (vma->vm_pgoff >> PAGE_SHIFT), thus I dont see
> >> what you really want to revert.
> >
> > fix for that would be a part of the revert of course.
> >
> 
> Fine, go ahead ;)

there you go
---

  reply	other threads:[~2012-08-10 13:16 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-03 12:56 Hillf Danton
2012-08-03 13:32 ` Michal Hocko
2012-08-10  9:48   ` Michal Hocko
2012-08-10 12:07     ` Hillf Danton
2012-08-10 12:27       ` Michal Hocko
2012-08-10 12:37         ` Hillf Danton
2012-08-10 12:51           ` Michal Hocko
2012-08-10 12:53             ` Hillf Danton
2012-08-10 13:16               ` Michal Hocko [this message]
2012-08-10 13:21                 ` Hillf Danton
2012-08-10 13:39                   ` Hillf Danton
2012-08-10 13:48                   ` Michal Hocko
2012-08-12  4:08                     ` Hillf Danton
2012-08-12  9:31                       ` Michal Hocko
2012-08-13 12:10                         ` Hillf Danton
2012-08-13 13:09                           ` Michal Hocko
2012-08-13 13:24                             ` [PATCH] hugetlb: do not use vma_hugecache_offset for vma_prio_tree_foreach Hillf Danton
2012-08-13 13:49                               ` Michal Hocko
2012-08-13 13:51                                 ` Hillf Danton

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