On Thu, 8 Feb 2018, Minchan Kim wrote:
> Hi Huang,
>
> On Thu, Feb 08, 2018 at 11:27:50PM +0800, huang ying wrote:
> > On Wed, Feb 7, 2018 at 3:00 PM, Huang, Ying wrote:
> > > From: Huang Ying
> > >
> > > It was reported by Sergey
On Thu, 8 Feb 2018, Minchan Kim wrote:
> Hi Huang,
>
> On Thu, Feb 08, 2018 at 11:27:50PM +0800, huang ying wrote:
> > On Wed, Feb 7, 2018 at 3:00 PM, Huang, Ying wrote:
> > > From: Huang Ying
> > >
> > > It was reported by Sergey Senozhatsky that if THP (Transparent Huge
> > > Page) and
Minchan Kim writes:
> Hi Huang,
>
> On Thu, Feb 08, 2018 at 11:27:50PM +0800, huang ying wrote:
>> On Wed, Feb 7, 2018 at 3:00 PM, Huang, Ying wrote:
>> > From: Huang Ying
>> >
>> > It was reported by Sergey Senozhatsky
Minchan Kim writes:
> Hi Huang,
>
> On Thu, Feb 08, 2018 at 11:27:50PM +0800, huang ying wrote:
>> On Wed, Feb 7, 2018 at 3:00 PM, Huang, Ying wrote:
>> > From: Huang Ying
>> >
>> > It was reported by Sergey Senozhatsky that if THP (Transparent Huge
>> > Page) and frontswap (via zswap) are
Hi Huang,
On Thu, Feb 08, 2018 at 11:27:50PM +0800, huang ying wrote:
> On Wed, Feb 7, 2018 at 3:00 PM, Huang, Ying wrote:
> > From: Huang Ying
> >
> > It was reported by Sergey Senozhatsky that if THP (Transparent Huge
> > Page) and frontswap
Hi Huang,
On Thu, Feb 08, 2018 at 11:27:50PM +0800, huang ying wrote:
> On Wed, Feb 7, 2018 at 3:00 PM, Huang, Ying wrote:
> > From: Huang Ying
> >
> > It was reported by Sergey Senozhatsky that if THP (Transparent Huge
> > Page) and frontswap (via zswap) are both enabled, when memory goes low
On Wed, Feb 7, 2018 at 3:00 PM, Huang, Ying wrote:
> From: Huang Ying
>
> It was reported by Sergey Senozhatsky that if THP (Transparent Huge
> Page) and frontswap (via zswap) are both enabled, when memory goes low
> so that swap is triggered,
On Wed, Feb 7, 2018 at 3:00 PM, Huang, Ying wrote:
> From: Huang Ying
>
> It was reported by Sergey Senozhatsky that if THP (Transparent Huge
> Page) and frontswap (via zswap) are both enabled, when memory goes low
> so that swap is triggered, segfault and memory corruption will occur
> in
On Thu, Feb 8, 2018 at 6:17 PM, Minchan Kim wrote:
> On Wed, Feb 07, 2018 at 03:00:35PM +0800, Huang, Ying wrote:
>> From: Huang Ying
>>
>> It was reported by Sergey Senozhatsky that if THP (Transparent Huge
>> Page) and frontswap (via zswap) are
On Thu, Feb 8, 2018 at 6:17 PM, Minchan Kim wrote:
> On Wed, Feb 07, 2018 at 03:00:35PM +0800, Huang, Ying wrote:
>> From: Huang Ying
>>
>> It was reported by Sergey Senozhatsky that if THP (Transparent Huge
>> Page) and frontswap (via zswap) are both enabled, when memory goes low
>> so that
On (02/08/18 02:25), Minchan Kim wrote:
[..]
> > > if (PageTransHuge(page)) {
> > > - if (IS_ENABLED(CONFIG_THP_SWAP))
> > > - get_swap_pages(1, true, );
> > > + /* Frontswap doesn't support THP */
> > > + if (!frontswap_enabled()) {
> > > +
On (02/08/18 02:25), Minchan Kim wrote:
[..]
> > > if (PageTransHuge(page)) {
> > > - if (IS_ENABLED(CONFIG_THP_SWAP))
> > > - get_swap_pages(1, true, );
> > > + /* Frontswap doesn't support THP */
> > > + if (!frontswap_enabled()) {
> > > +
On Thu, Feb 08, 2018 at 10:36:35AM +0900, Sergey Senozhatsky wrote:
> On (02/07/18 13:05), Andrew Morton wrote:
> [..]
> > hm. This is assuming that "cluster==true" means "this is thp swap".
> > That's presently true, but is it appropriate that get_swap_pages() is
> > peeking at "cluster" to
On Thu, Feb 08, 2018 at 10:36:35AM +0900, Sergey Senozhatsky wrote:
> On (02/07/18 13:05), Andrew Morton wrote:
> [..]
> > hm. This is assuming that "cluster==true" means "this is thp swap".
> > That's presently true, but is it appropriate that get_swap_pages() is
> > peeking at "cluster" to
On Wed, Feb 07, 2018 at 03:00:35PM +0800, Huang, Ying wrote:
> From: Huang Ying
>
> It was reported by Sergey Senozhatsky that if THP (Transparent Huge
> Page) and frontswap (via zswap) are both enabled, when memory goes low
> so that swap is triggered, segfault and
On Wed, Feb 07, 2018 at 03:00:35PM +0800, Huang, Ying wrote:
> From: Huang Ying
>
> It was reported by Sergey Senozhatsky that if THP (Transparent Huge
> Page) and frontswap (via zswap) are both enabled, when memory goes low
> so that swap is triggered, segfault and memory corruption will occur
On (02/07/18 13:05), Andrew Morton wrote:
[..]
> hm. This is assuming that "cluster==true" means "this is thp swap".
> That's presently true, but is it appropriate that get_swap_pages() is
> peeking at "cluster" to work out why it is being called?
>
> Or would it be cleaner to do this in
On (02/07/18 13:05), Andrew Morton wrote:
[..]
> hm. This is assuming that "cluster==true" means "this is thp swap".
> That's presently true, but is it appropriate that get_swap_pages() is
> peeking at "cluster" to work out why it is being called?
>
> Or would it be cleaner to do this in
Andrew Morton writes:
> On Wed, 7 Feb 2018 15:00:35 +0800 "Huang, Ying" wrote:
>
>> From: Huang Ying
>>
>> It was reported by Sergey Senozhatsky that if THP (Transparent Huge
>> Page) and frontswap (via zswap) are
Andrew Morton writes:
> On Wed, 7 Feb 2018 15:00:35 +0800 "Huang, Ying" wrote:
>
>> From: Huang Ying
>>
>> It was reported by Sergey Senozhatsky that if THP (Transparent Huge
>> Page) and frontswap (via zswap) are both enabled, when memory goes low
>> so that swap is triggered, segfault and
On Wed, 7 Feb 2018 15:00:35 +0800 "Huang, Ying" wrote:
> From: Huang Ying
>
> It was reported by Sergey Senozhatsky that if THP (Transparent Huge
> Page) and frontswap (via zswap) are both enabled, when memory goes low
> so that swap is
On Wed, 7 Feb 2018 15:00:35 +0800 "Huang, Ying" wrote:
> From: Huang Ying
>
> It was reported by Sergey Senozhatsky that if THP (Transparent Huge
> Page) and frontswap (via zswap) are both enabled, when memory goes low
> so that swap is triggered, segfault and memory corruption will occur
>
On Wed, Feb 07, 2018 at 03:00:35PM +0800, Huang, Ying wrote:
> From: Huang Ying
>
> It was reported by Sergey Senozhatsky that if THP (Transparent Huge
> Page) and frontswap (via zswap) are both enabled, when memory goes low
> so that swap is triggered, segfault and
On Wed, Feb 07, 2018 at 03:00:35PM +0800, Huang, Ying wrote:
> From: Huang Ying
>
> It was reported by Sergey Senozhatsky that if THP (Transparent Huge
> Page) and frontswap (via zswap) are both enabled, when memory goes low
> so that swap is triggered, segfault and memory corruption will occur
From: Huang Ying
It was reported by Sergey Senozhatsky that if THP (Transparent Huge
Page) and frontswap (via zswap) are both enabled, when memory goes low
so that swap is triggered, segfault and memory corruption will occur
in random user space applications as
From: Huang Ying
It was reported by Sergey Senozhatsky that if THP (Transparent Huge
Page) and frontswap (via zswap) are both enabled, when memory goes low
so that swap is triggered, segfault and memory corruption will occur
in random user space applications as follow,
kernel: urxvt[338]:
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