Re: [PATCH] mm: huge_memory: a new debugfs interface for splitting THP tests.

2021-03-08 Thread Yang Shi
On Mon, Mar 8, 2021 at 1:59 PM David Hildenbrand wrote: > > > > Am 08.03.2021 um 22:25 schrieb Yang Shi : > > > > On Mon, Mar 8, 2021 at 12:36 PM David Hildenbrand wrote: > >> > >> > Am 08.03.2021 um 21:18 schrieb Yang Shi : > >>> > >>> On Mon, Mar 8, 2021 at 11:30 AM David Hildenbrand >

Re: [PATCH] mm: huge_memory: a new debugfs interface for splitting THP tests.

2021-03-08 Thread David Hildenbrand
> Am 08.03.2021 um 22:25 schrieb Yang Shi : > > On Mon, Mar 8, 2021 at 12:36 PM David Hildenbrand wrote: >> >> Am 08.03.2021 um 21:18 schrieb Yang Shi : >>> >>> On Mon, Mar 8, 2021 at 11:30 AM David Hildenbrand wrote: > On 08.03.21 20:11, Yang Shi wrote: > On Mon, Mar 8

Re: [PATCH] mm: huge_memory: a new debugfs interface for splitting THP tests.

2021-03-08 Thread Yang Shi
On Mon, Mar 8, 2021 at 12:36 PM David Hildenbrand wrote: > > > > Am 08.03.2021 um 21:18 schrieb Yang Shi : > > > > On Mon, Mar 8, 2021 at 11:30 AM David Hildenbrand wrote: > >> > >>> On 08.03.21 20:11, Yang Shi wrote: > >>> On Mon, Mar 8, 2021 at 11:01 AM Zi Yan wrote: > > On 8 Mar 20

Re: [PATCH] mm: huge_memory: a new debugfs interface for splitting THP tests.

2021-03-08 Thread David Hildenbrand
> Am 08.03.2021 um 21:18 schrieb Yang Shi : > > On Mon, Mar 8, 2021 at 11:30 AM David Hildenbrand wrote: >> >>> On 08.03.21 20:11, Yang Shi wrote: >>> On Mon, Mar 8, 2021 at 11:01 AM Zi Yan wrote: On 8 Mar 2021, at 13:11, David Hildenbrand wrote: > On 08.03.21 18:49, Zi

Re: [PATCH] mm: huge_memory: a new debugfs interface for splitting THP tests.

2021-03-08 Thread Yang Shi
On Mon, Mar 8, 2021 at 11:30 AM David Hildenbrand wrote: > > On 08.03.21 20:11, Yang Shi wrote: > > On Mon, Mar 8, 2021 at 11:01 AM Zi Yan wrote: > >> > >> On 8 Mar 2021, at 13:11, David Hildenbrand wrote: > >> > >>> On 08.03.21 18:49, Zi Yan wrote: > On 8 Mar 2021, at 11:17, David Hildenbra

Re: [PATCH] mm: huge_memory: a new debugfs interface for splitting THP tests.

2021-03-08 Thread Zi Yan
On 8 Mar 2021, at 14:23, kernel test robot wrote: > Hi Zi, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on kselftest/next] > [also build test ERROR on linux/master linus/master v5.12-rc2 next-20210305] > [cannot apply to hnaz-linux-mm/master] > [If your patch i

Re: [PATCH] mm: huge_memory: a new debugfs interface for splitting THP tests.

2021-03-08 Thread David Hildenbrand
On 08.03.21 20:11, Yang Shi wrote: On Mon, Mar 8, 2021 at 11:01 AM Zi Yan wrote: On 8 Mar 2021, at 13:11, David Hildenbrand wrote: On 08.03.21 18:49, Zi Yan wrote: On 8 Mar 2021, at 11:17, David Hildenbrand wrote: On 08.03.21 16:22, Zi Yan wrote: From: Zi Yan By writing ",," to /split_

Re: [PATCH] mm: huge_memory: a new debugfs interface for splitting THP tests.

2021-03-08 Thread kernel test robot
Hi Zi, Thank you for the patch! Yet something to improve: [auto build test ERROR on kselftest/next] [also build test ERROR on linux/master linus/master v5.12-rc2 next-20210305] [cannot apply to hnaz-linux-mm/master] [If your patch is applied to the wrong git tree, kindly drop us a note. And when

Re: [PATCH] mm: huge_memory: a new debugfs interface for splitting THP tests.

2021-03-08 Thread Yang Shi
On Mon, Mar 8, 2021 at 11:01 AM Zi Yan wrote: > > On 8 Mar 2021, at 13:11, David Hildenbrand wrote: > > > On 08.03.21 18:49, Zi Yan wrote: > >> On 8 Mar 2021, at 11:17, David Hildenbrand wrote: > >> > >>> On 08.03.21 16:22, Zi Yan wrote: > From: Zi Yan > > By writing ",," to >

Re: [PATCH] mm: huge_memory: a new debugfs interface for splitting THP tests.

2021-03-08 Thread Zi Yan
On 8 Mar 2021, at 13:11, David Hildenbrand wrote: > On 08.03.21 18:49, Zi Yan wrote: >> On 8 Mar 2021, at 11:17, David Hildenbrand wrote: >> >>> On 08.03.21 16:22, Zi Yan wrote: From: Zi Yan By writing ",," to /split_huge_pages_in_range_pid, THPs in the process with the g

Re: [PATCH] mm: huge_memory: a new debugfs interface for splitting THP tests.

2021-03-08 Thread Zi Yan
+ the rest of cc back and move your reply inline. On 8 Mar 2021, at 12:47, Mika Penttilä wrote: >> >> >> On 8.3.2021 17.22, Zi Yan wrote: >>> From: Zi Yan >>> >>> By writing ",," to >>> /split_huge_pages_in_range_pid, THPs in the process with the >>> given pid and virtual address range are split.

Re: [PATCH] mm: huge_memory: a new debugfs interface for splitting THP tests.

2021-03-08 Thread David Hildenbrand
On 08.03.21 18:49, Zi Yan wrote: On 8 Mar 2021, at 11:17, David Hildenbrand wrote: On 08.03.21 16:22, Zi Yan wrote: From: Zi Yan By writing ",," to /split_huge_pages_in_range_pid, THPs in the process with the given pid and virtual address range are split. It is used to test split_huge_page f

Re: [PATCH] mm: huge_memory: a new debugfs interface for splitting THP tests.

2021-03-08 Thread Zi Yan
On 8 Mar 2021, at 11:17, David Hildenbrand wrote: > On 08.03.21 16:22, Zi Yan wrote: >> From: Zi Yan >> >> By writing ",," to >> /split_huge_pages_in_range_pid, THPs in the process with the >> given pid and virtual address range are split. It is used to test >> split_huge_page function. In additi

Re: [PATCH] mm: huge_memory: a new debugfs interface for splitting THP tests.

2021-03-08 Thread David Hildenbrand
On 08.03.21 16:22, Zi Yan wrote: From: Zi Yan By writing ",," to /split_huge_pages_in_range_pid, THPs in the process with the given pid and virtual address range are split. It is used to test split_huge_page function. In addition, a selftest program is added to tools/testing/selftests/vm to uti

[PATCH] mm: huge_memory: a new debugfs interface for splitting THP tests.

2021-03-08 Thread Zi Yan
From: Zi Yan By writing ",," to /split_huge_pages_in_range_pid, THPs in the process with the given pid and virtual address range are split. It is used to test split_huge_page function. In addition, a selftest program is added to tools/testing/selftests/vm to utilize the interface by splitting PMD