Re: [PATCH v9 00/24] Speculative page faults

On 14/03/2018 14:11, Michal Hocko wrote: > On Tue 13-03-18 18:59:30, Laurent Dufour wrote: >> Changes since v8: >> - Don't check PMD when locking the pte when THP is disabled >>Thanks to Daniel Jordan for reporting this. >> - Rebase on 4.16 > > Is this really worth reposting the whole pile?

Re: [PATCH v9 00/24] Speculative page faults

Hi Jerome, Thanks for reviewing this series. On 03/04/2018 22:37, Jerome Glisse wrote: > On Tue, Mar 13, 2018 at 06:59:30PM +0100, Laurent Dufour wrote: >> This is a port on kernel 4.16 of the work done by Peter Zijlstra to >> handle page fault without holding the mm semaphore [1]. >> >> The

Re: [PATCH v9 00/24] Speculative page faults

On Tue, Mar 13, 2018 at 06:59:30PM +0100, Laurent Dufour wrote: > This is a port on kernel 4.16 of the work done by Peter Zijlstra to > handle page fault without holding the mm semaphore [1]. > > The idea is to try to handle user space page faults without holding the > mmap_sem. This should allow

Re: [PATCH v9 00/24] Speculative page faults

On 22/03/2018 02:21, Ganesh Mahendran wrote: > Hi, Laurent > > 2018-03-14 1:59 GMT+08:00 Laurent Dufour : >> This is a port on kernel 4.16 of the work done by Peter Zijlstra to >> handle page fault without holding the mm semaphore [1]. >> >> The idea is to try to

Re: [PATCH v9 00/24] Speculative page faults

Hi, Laurent 2018-03-14 1:59 GMT+08:00 Laurent Dufour : > This is a port on kernel 4.16 of the work done by Peter Zijlstra to > handle page fault without holding the mm semaphore [1]. > > The idea is to try to handle user space page faults without holding the >

Re: [PATCH v9 00/24] Speculative page faults

On 14/03/2018 14:11, Michal Hocko wrote: > On Tue 13-03-18 18:59:30, Laurent Dufour wrote: >> Changes since v8: >> - Don't check PMD when locking the pte when THP is disabled >>Thanks to Daniel Jordan for reporting this. >> - Rebase on 4.16 > > Is this really worth reposting the whole pile?

Re: [PATCH v9 00/24] Speculative page faults

On Tue 13-03-18 18:59:30, Laurent Dufour wrote: > Changes since v8: > - Don't check PMD when locking the pte when THP is disabled >Thanks to Daniel Jordan for reporting this. > - Rebase on 4.16 Is this really worth reposting the whole pile? I mean this is at v9, each doing little changes.

[PATCH v9 00/24] Speculative page faults

This is a port on kernel 4.16 of the work done by Peter Zijlstra to handle page fault without holding the mm semaphore [1]. The idea is to try to handle user space page faults without holding the mmap_sem. This should allow better concurrency for massively threaded process since the page fault