# sorry for late reply ...
On Fri, Nov 18, 2016 at 02:56:24AM +0300, Kirill A. Shutemov wrote:
> On Tue, Nov 08, 2016 at 08:31:52AM +0900, Naoya Horiguchi wrote:
> > If one of callers of page migration starts to handle thp, memory management
> > code
> > start to see pmd migration entry, so we
# sorry for late reply ...
On Fri, Nov 18, 2016 at 02:56:24AM +0300, Kirill A. Shutemov wrote:
> On Tue, Nov 08, 2016 at 08:31:52AM +0900, Naoya Horiguchi wrote:
> > If one of callers of page migration starts to handle thp, memory management
> > code
> > start to see pmd migration entry, so we
On Tue 08-11-16 08:31:52, Naoya Horiguchi wrote:
> If one of callers of page migration starts to handle thp, memory management
> code
> start to see pmd migration entry, so we need to prepare for it before
> enabling.
> This patch changes various code point which checks the status of given pmds
On Tue 08-11-16 08:31:52, Naoya Horiguchi wrote:
> If one of callers of page migration starts to handle thp, memory management
> code
> start to see pmd migration entry, so we need to prepare for it before
> enabling.
> This patch changes various code point which checks the status of given pmds
On Tue, Nov 08, 2016 at 08:31:52AM +0900, Naoya Horiguchi wrote:
> If one of callers of page migration starts to handle thp, memory management
> code
> start to see pmd migration entry, so we need to prepare for it before
> enabling.
> This patch changes various code point which checks the
On Tue, Nov 08, 2016 at 08:31:52AM +0900, Naoya Horiguchi wrote:
> If one of callers of page migration starts to handle thp, memory management
> code
> start to see pmd migration entry, so we need to prepare for it before
> enabling.
> This patch changes various code point which checks the
On Thu, Nov 10, 2016 at 05:28:20PM +0800, Hillf Danton wrote:
> On Thursday, November 10, 2016 5:22 PM Naoya Horiguchi wrote:
> > On Thu, Nov 10, 2016 at 05:08:07PM +0800, Hillf Danton wrote:
> > > On Tuesday, November 08, 2016 7:32 AM Naoya Horiguchi wrote:
> > > >
> > > > @@ -1013,6 +1027,9 @@
On Thu, Nov 10, 2016 at 05:28:20PM +0800, Hillf Danton wrote:
> On Thursday, November 10, 2016 5:22 PM Naoya Horiguchi wrote:
> > On Thu, Nov 10, 2016 at 05:08:07PM +0800, Hillf Danton wrote:
> > > On Tuesday, November 08, 2016 7:32 AM Naoya Horiguchi wrote:
> > > >
> > > > @@ -1013,6 +1027,9 @@
On Thursday, November 10, 2016 5:22 PM Naoya Horiguchi wrote:
> On Thu, Nov 10, 2016 at 05:08:07PM +0800, Hillf Danton wrote:
> > On Tuesday, November 08, 2016 7:32 AM Naoya Horiguchi wrote:
> > >
> > > @@ -1013,6 +1027,9 @@ int do_huge_pmd_wp_page(struct fault_env *fe, pmd_t
> > > orig_pmd)
> >
On Thursday, November 10, 2016 5:22 PM Naoya Horiguchi wrote:
> On Thu, Nov 10, 2016 at 05:08:07PM +0800, Hillf Danton wrote:
> > On Tuesday, November 08, 2016 7:32 AM Naoya Horiguchi wrote:
> > >
> > > @@ -1013,6 +1027,9 @@ int do_huge_pmd_wp_page(struct fault_env *fe, pmd_t
> > > orig_pmd)
> >
On Tuesday, November 08, 2016 7:32 AM Naoya Horiguchi wrote:
>
> @@ -1013,6 +1027,9 @@ int do_huge_pmd_wp_page(struct fault_env *fe, pmd_t
> orig_pmd)
> if (unlikely(!pmd_same(*fe->pmd, orig_pmd)))
> goto out_unlock;
>
> + if (unlikely(!pmd_present(orig_pmd)))
> +
On Tuesday, November 08, 2016 7:32 AM Naoya Horiguchi wrote:
>
> @@ -1013,6 +1027,9 @@ int do_huge_pmd_wp_page(struct fault_env *fe, pmd_t
> orig_pmd)
> if (unlikely(!pmd_same(*fe->pmd, orig_pmd)))
> goto out_unlock;
>
> + if (unlikely(!pmd_present(orig_pmd)))
> +
Hi Hillf,
On Thu, Nov 10, 2016 at 05:08:07PM +0800, Hillf Danton wrote:
> On Tuesday, November 08, 2016 7:32 AM Naoya Horiguchi wrote:
> >
> > @@ -1013,6 +1027,9 @@ int do_huge_pmd_wp_page(struct fault_env *fe, pmd_t
> > orig_pmd)
> > if (unlikely(!pmd_same(*fe->pmd, orig_pmd)))
> >
Hi Hillf,
On Thu, Nov 10, 2016 at 05:08:07PM +0800, Hillf Danton wrote:
> On Tuesday, November 08, 2016 7:32 AM Naoya Horiguchi wrote:
> >
> > @@ -1013,6 +1027,9 @@ int do_huge_pmd_wp_page(struct fault_env *fe, pmd_t
> > orig_pmd)
> > if (unlikely(!pmd_same(*fe->pmd, orig_pmd)))
> >
On Thu, Nov 10, 2016 at 02:06:14PM +0530, Anshuman Khandual wrote:
> On 11/08/2016 05:01 AM, Naoya Horiguchi wrote:
> > If one of callers of page migration starts to handle thp, memory management
> > code
> > start to see pmd migration entry, so we need to prepare for it before
> > enabling.
> >
On Thu, Nov 10, 2016 at 02:06:14PM +0530, Anshuman Khandual wrote:
> On 11/08/2016 05:01 AM, Naoya Horiguchi wrote:
> > If one of callers of page migration starts to handle thp, memory management
> > code
> > start to see pmd migration entry, so we need to prepare for it before
> > enabling.
> >
On 11/08/2016 05:01 AM, Naoya Horiguchi wrote:
> If one of callers of page migration starts to handle thp, memory management
> code
> start to see pmd migration entry, so we need to prepare for it before
> enabling.
> This patch changes various code point which checks the status of given pmds in
On 11/08/2016 05:01 AM, Naoya Horiguchi wrote:
> If one of callers of page migration starts to handle thp, memory management
> code
> start to see pmd migration entry, so we need to prepare for it before
> enabling.
> This patch changes various code point which checks the status of given pmds in
On Tue, Nov 08, 2016 at 08:23:50AM +0800, kbuild test robot wrote:
> Hi Naoya,
>
> [auto build test ERROR on mmotm/master]
> [also build test ERROR on v4.9-rc4 next-20161028]
> [if your patch is applied to the wrong git tree, please drop us a note to
> help improve the system]
>
> url:
>
On Tue, Nov 08, 2016 at 08:23:50AM +0800, kbuild test robot wrote:
> Hi Naoya,
>
> [auto build test ERROR on mmotm/master]
> [also build test ERROR on v4.9-rc4 next-20161028]
> [if your patch is applied to the wrong git tree, please drop us a note to
> help improve the system]
>
> url:
>
Hi Naoya,
[auto build test ERROR on mmotm/master]
[also build test ERROR on v4.9-rc4 next-20161028]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
Hi Naoya,
[auto build test ERROR on mmotm/master]
[also build test ERROR on v4.9-rc4 next-20161028]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
If one of callers of page migration starts to handle thp, memory management code
start to see pmd migration entry, so we need to prepare for it before enabling.
This patch changes various code point which checks the status of given pmds in
order to prevent race between thp migration and the
If one of callers of page migration starts to handle thp, memory management code
start to see pmd migration entry, so we need to prepare for it before enabling.
This patch changes various code point which checks the status of given pmds in
order to prevent race between thp migration and the
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