3.11-stable review patch. If anyone has any objections, please let me know.
--
From: Hugh Dickins
commit 750e8165f5e87b6a142be953640eabb13a9d350a upstream.
Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
__split_huge_page_pmd(): seen when doing
3.10-stable review patch. If anyone has any objections, please let me know.
--
From: Hugh Dickins
commit 750e8165f5e87b6a142be953640eabb13a9d350a upstream.
Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
__split_huge_page_pmd(): seen when doing
3.10-stable review patch. If anyone has any objections, please let me know.
--
From: Hugh Dickins hu...@google.com
commit 750e8165f5e87b6a142be953640eabb13a9d350a upstream.
Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
__split_huge_page_pmd(): seen when
3.11-stable review patch. If anyone has any objections, please let me know.
--
From: Hugh Dickins hu...@google.com
commit 750e8165f5e87b6a142be953640eabb13a9d350a upstream.
Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
__split_huge_page_pmd(): seen when
3.8.13.12 -stable review patch. If anyone has any objections, please let me
know.
--
From: Hugh Dickins
commit 750e8165f5e87b6a142be953640eabb13a9d350a upstream.
Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
__split_huge_page_pmd(): seen when doing
3.8.13.12 -stable review patch. If anyone has any objections, please let me
know.
--
From: Hugh Dickins hu...@google.com
commit 750e8165f5e87b6a142be953640eabb13a9d350a upstream.
Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
__split_huge_page_pmd(): seen
On Tue, Oct 15, 2013 at 04:16:23PM -0400, Naoya Horiguchi wrote:
> On Tue, Oct 15, 2013 at 09:44:28PM +0200, Andrea Arcangeli wrote:
> > On Tue, Oct 15, 2013 at 03:28:50PM -0400, Naoya Horiguchi wrote:
> > > On Tue, Oct 15, 2013 at 08:55:10PM +0200, Andrea Arcangeli wrote:
> > > > On Tue, Oct 15,
On Tue, Oct 15, 2013 at 09:44:28PM +0200, Andrea Arcangeli wrote:
> On Tue, Oct 15, 2013 at 03:28:50PM -0400, Naoya Horiguchi wrote:
> > On Tue, Oct 15, 2013 at 08:55:10PM +0200, Andrea Arcangeli wrote:
> > > On Tue, Oct 15, 2013 at 10:53:10AM -0700, Hugh Dickins wrote:
> > > > I'm afraid Andrea's
On Tue, Oct 15, 2013 at 03:28:50PM -0400, Naoya Horiguchi wrote:
> On Tue, Oct 15, 2013 at 08:55:10PM +0200, Andrea Arcangeli wrote:
> > On Tue, Oct 15, 2013 at 10:53:10AM -0700, Hugh Dickins wrote:
> > > I'm afraid Andrea's mail about concurrent madvises gives me far more
> > > to think about
On Tue, Oct 15, 2013 at 08:55:10PM +0200, Andrea Arcangeli wrote:
> On Tue, Oct 15, 2013 at 10:53:10AM -0700, Hugh Dickins wrote:
> > I'm afraid Andrea's mail about concurrent madvises gives me far more
> > to think about than I have time for: seems to get into problems he
> > knows a lot about
On Tue, Oct 15, 2013 at 10:53:10AM -0700, Hugh Dickins wrote:
> I'm afraid Andrea's mail about concurrent madvises gives me far more
> to think about than I have time for: seems to get into problems he
> knows a lot about but I'm unfamiliar with. If this patch looks good
> for now on its own,
On Tue, 15 Oct 2013, Kirill A. Shutemov wrote:
> Andrea Arcangeli wrote:
> > Hi Hugh,
> >
> > On Tue, Oct 15, 2013 at 04:08:28AM -0700, Hugh Dickins wrote:
> > > Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
> > > __split_huge_page_pmd(): seen when doing
On Tue, Oct 15, 2013 at 05:48:27PM +0300, Kirill A. Shutemov wrote:
> Andrea Arcangeli wrote:
> > Hi Hugh,
> >
> > On Tue, Oct 15, 2013 at 04:08:28AM -0700, Hugh Dickins wrote:
> > > Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
> > > __split_huge_page_pmd(): seen when doing
Andrea Arcangeli wrote:
> Hi Hugh,
>
> On Tue, Oct 15, 2013 at 04:08:28AM -0700, Hugh Dickins wrote:
> > Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
> > __split_huge_page_pmd(): seen when doing madvise(,,MADV_DONTNEED).
> >
> > It's invalid: we don't always have down_write
On Tue, Oct 15, 2013 at 02:32:54PM +0300, Kirill A. Shutemov wrote:
> Hugh Dickins wrote:
> > Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
> > __split_huge_page_pmd(): seen when doing madvise(,,MADV_DONTNEED).
> >
> > It's invalid: we don't always have down_write of mmap_sem
Hi Hugh,
On Tue, Oct 15, 2013 at 04:08:28AM -0700, Hugh Dickins wrote:
> Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
> __split_huge_page_pmd(): seen when doing madvise(,,MADV_DONTNEED).
>
> It's invalid: we don't always have down_write of mmap_sem there:
> a racing
Hugh Dickins wrote:
> Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
> __split_huge_page_pmd(): seen when doing madvise(,,MADV_DONTNEED).
>
> It's invalid: we don't always have down_write of mmap_sem there:
> a racing do_huge_pmd_wp_page() might have copied-on-write to another
Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
__split_huge_page_pmd(): seen when doing madvise(,,MADV_DONTNEED).
It's invalid: we don't always have down_write of mmap_sem there:
a racing do_huge_pmd_wp_page() might have copied-on-write to another
huge page before our
Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
__split_huge_page_pmd(): seen when doing madvise(,,MADV_DONTNEED).
It's invalid: we don't always have down_write of mmap_sem there:
a racing do_huge_pmd_wp_page() might have copied-on-write to another
huge page before our
Hugh Dickins wrote:
Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
__split_huge_page_pmd(): seen when doing madvise(,,MADV_DONTNEED).
It's invalid: we don't always have down_write of mmap_sem there:
a racing do_huge_pmd_wp_page() might have copied-on-write to another
Hi Hugh,
On Tue, Oct 15, 2013 at 04:08:28AM -0700, Hugh Dickins wrote:
Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
__split_huge_page_pmd(): seen when doing madvise(,,MADV_DONTNEED).
It's invalid: we don't always have down_write of mmap_sem there:
a racing
On Tue, Oct 15, 2013 at 02:32:54PM +0300, Kirill A. Shutemov wrote:
Hugh Dickins wrote:
Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
__split_huge_page_pmd(): seen when doing madvise(,,MADV_DONTNEED).
It's invalid: we don't always have down_write of mmap_sem there:
Andrea Arcangeli wrote:
Hi Hugh,
On Tue, Oct 15, 2013 at 04:08:28AM -0700, Hugh Dickins wrote:
Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
__split_huge_page_pmd(): seen when doing madvise(,,MADV_DONTNEED).
It's invalid: we don't always have down_write of
On Tue, Oct 15, 2013 at 05:48:27PM +0300, Kirill A. Shutemov wrote:
Andrea Arcangeli wrote:
Hi Hugh,
On Tue, Oct 15, 2013 at 04:08:28AM -0700, Hugh Dickins wrote:
Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
__split_huge_page_pmd(): seen when doing
On Tue, 15 Oct 2013, Kirill A. Shutemov wrote:
Andrea Arcangeli wrote:
Hi Hugh,
On Tue, Oct 15, 2013 at 04:08:28AM -0700, Hugh Dickins wrote:
Occasionally we hit the BUG_ON(pmd_trans_huge(*pmd)) at the end of
__split_huge_page_pmd(): seen when doing madvise(,,MADV_DONTNEED).
On Tue, Oct 15, 2013 at 10:53:10AM -0700, Hugh Dickins wrote:
I'm afraid Andrea's mail about concurrent madvises gives me far more
to think about than I have time for: seems to get into problems he
knows a lot about but I'm unfamiliar with. If this patch looks good
for now on its own, let's
On Tue, Oct 15, 2013 at 08:55:10PM +0200, Andrea Arcangeli wrote:
On Tue, Oct 15, 2013 at 10:53:10AM -0700, Hugh Dickins wrote:
I'm afraid Andrea's mail about concurrent madvises gives me far more
to think about than I have time for: seems to get into problems he
knows a lot about but I'm
On Tue, Oct 15, 2013 at 03:28:50PM -0400, Naoya Horiguchi wrote:
On Tue, Oct 15, 2013 at 08:55:10PM +0200, Andrea Arcangeli wrote:
On Tue, Oct 15, 2013 at 10:53:10AM -0700, Hugh Dickins wrote:
I'm afraid Andrea's mail about concurrent madvises gives me far more
to think about than I have
On Tue, Oct 15, 2013 at 09:44:28PM +0200, Andrea Arcangeli wrote:
On Tue, Oct 15, 2013 at 03:28:50PM -0400, Naoya Horiguchi wrote:
On Tue, Oct 15, 2013 at 08:55:10PM +0200, Andrea Arcangeli wrote:
On Tue, Oct 15, 2013 at 10:53:10AM -0700, Hugh Dickins wrote:
I'm afraid Andrea's mail
On Tue, Oct 15, 2013 at 04:16:23PM -0400, Naoya Horiguchi wrote:
On Tue, Oct 15, 2013 at 09:44:28PM +0200, Andrea Arcangeli wrote:
On Tue, Oct 15, 2013 at 03:28:50PM -0400, Naoya Horiguchi wrote:
On Tue, Oct 15, 2013 at 08:55:10PM +0200, Andrea Arcangeli wrote:
On Tue, Oct 15, 2013 at
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