On Fri, 20 Jun 2014, Naoya Horiguchi wrote:
> On Fri, Jun 20, 2014 at 01:03:58PM -0700, Hugh Dickins wrote:
> > On Fri, 20 Jun 2014, Naoya Horiguchi wrote:
> > > On Fri, Jun 20, 2014 at 09:24:36AM -0500, Christoph Lameter wrote:
> > > > On Thu, 19 Jun 2014, Naoya Horiguchi wrote:
> > > >
> > > > >
On Fri, Jun 20, 2014 at 01:03:58PM -0700, Hugh Dickins wrote:
> On Fri, 20 Jun 2014, Naoya Horiguchi wrote:
> > On Fri, Jun 20, 2014 at 09:24:36AM -0500, Christoph Lameter wrote:
> > > On Thu, 19 Jun 2014, Naoya Horiguchi wrote:
> > >
> > > > I'm suspecting that mbind_range() do something wrong
On Fri, 20 Jun 2014, Hugh Dickins wrote:
> [PATCH] mm: fix crashes from mbind() merging vmas
>
> v2.6.34's 9d8cebd4bcd7 ("mm: fix mbind vma merge problem") introduced
> vma merging to mbind(), but it should have also changed the convention
> of passing start vma from queue_pages_range() (formerly
On Fri, 20 Jun 2014, Naoya Horiguchi wrote:
> On Fri, Jun 20, 2014 at 09:24:36AM -0500, Christoph Lameter wrote:
> > On Thu, 19 Jun 2014, Naoya Horiguchi wrote:
> >
> > > I'm suspecting that mbind_range() do something wrong around vma handling,
> > > but I don't have enough luck yet. Anyone has an
On Fri, Jun 20, 2014 at 09:24:36AM -0500, Christoph Lameter wrote:
> On Thu, 19 Jun 2014, Naoya Horiguchi wrote:
>
> > I'm suspecting that mbind_range() do something wrong around vma handling,
> > but I don't have enough luck yet. Anyone has an idea?
>
> Well memory policy data corrupted. This
On Thu, Jun 19, 2014 at 09:35:48PM -0700, Hugh Dickins wrote:
> On Thu, 19 Jun 2014, Naoya Horiguchi wrote:
> > Hi,
> >
> > I triggered the following bug on v3.16-rc1 when I did mbind() testing
> > where multiple processes repeat calling mbind() for a shared mapped file
> > (causing pingpong of
On Thu, 19 Jun 2014, Naoya Horiguchi wrote:
> I'm suspecting that mbind_range() do something wrong around vma handling,
> but I don't have enough luck yet. Anyone has an idea?
Well memory policy data corrupted. This looks like you were trying to do
page migration via mbind()? Could we get some
On Thu, 19 Jun 2014, Naoya Horiguchi wrote:
I'm suspecting that mbind_range() do something wrong around vma handling,
but I don't have enough luck yet. Anyone has an idea?
Well memory policy data corrupted. This looks like you were trying to do
page migration via mbind()? Could we get some
On Thu, Jun 19, 2014 at 09:35:48PM -0700, Hugh Dickins wrote:
On Thu, 19 Jun 2014, Naoya Horiguchi wrote:
Hi,
I triggered the following bug on v3.16-rc1 when I did mbind() testing
where multiple processes repeat calling mbind() for a shared mapped file
(causing pingpong of page
On Fri, Jun 20, 2014 at 09:24:36AM -0500, Christoph Lameter wrote:
On Thu, 19 Jun 2014, Naoya Horiguchi wrote:
I'm suspecting that mbind_range() do something wrong around vma handling,
but I don't have enough luck yet. Anyone has an idea?
Well memory policy data corrupted. This looks like
On Fri, 20 Jun 2014, Naoya Horiguchi wrote:
On Fri, Jun 20, 2014 at 09:24:36AM -0500, Christoph Lameter wrote:
On Thu, 19 Jun 2014, Naoya Horiguchi wrote:
I'm suspecting that mbind_range() do something wrong around vma handling,
but I don't have enough luck yet. Anyone has an idea?
On Fri, 20 Jun 2014, Hugh Dickins wrote:
[PATCH] mm: fix crashes from mbind() merging vmas
v2.6.34's 9d8cebd4bcd7 (mm: fix mbind vma merge problem) introduced
vma merging to mbind(), but it should have also changed the convention
of passing start vma from queue_pages_range() (formerly
On Fri, Jun 20, 2014 at 01:03:58PM -0700, Hugh Dickins wrote:
On Fri, 20 Jun 2014, Naoya Horiguchi wrote:
On Fri, Jun 20, 2014 at 09:24:36AM -0500, Christoph Lameter wrote:
On Thu, 19 Jun 2014, Naoya Horiguchi wrote:
I'm suspecting that mbind_range() do something wrong around vma
On Fri, 20 Jun 2014, Naoya Horiguchi wrote:
On Fri, Jun 20, 2014 at 01:03:58PM -0700, Hugh Dickins wrote:
On Fri, 20 Jun 2014, Naoya Horiguchi wrote:
On Fri, Jun 20, 2014 at 09:24:36AM -0500, Christoph Lameter wrote:
On Thu, 19 Jun 2014, Naoya Horiguchi wrote:
I'm suspecting
On Thu, 19 Jun 2014, Naoya Horiguchi wrote:
> Hi,
>
> I triggered the following bug on v3.16-rc1 when I did mbind() testing
> where multiple processes repeat calling mbind() for a shared mapped file
> (causing pingpong of page migration.)
The shared mapped file on shmem/tmpfs? So involving
Hi,
I triggered the following bug on v3.16-rc1 when I did mbind() testing
where multiple processes repeat calling mbind() for a shared mapped file
(causing pingpong of page migration.)
In my investigation, it seems that some vma accidentally has vma->vm_start
= 0, which makes new_vma_page()
Hi,
I triggered the following bug on v3.16-rc1 when I did mbind() testing
where multiple processes repeat calling mbind() for a shared mapped file
(causing pingpong of page migration.)
In my investigation, it seems that some vma accidentally has vma-vm_start
= 0, which makes new_vma_page()
On Thu, 19 Jun 2014, Naoya Horiguchi wrote:
Hi,
I triggered the following bug on v3.16-rc1 when I did mbind() testing
where multiple processes repeat calling mbind() for a shared mapped file
(causing pingpong of page migration.)
The shared mapped file on shmem/tmpfs? So involving shared
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