Re: [RFC PATCH RESEND 00/28] per-VMA locks proposal

2022-09-29 Thread Vlastimil Babka
On 9/28/22 04:28, Suren Baghdasaryan wrote: > On Sun, Sep 11, 2022 at 2:35 AM Vlastimil Babka wrote: >> >> On 9/2/22 01:26, Suren Baghdasaryan wrote: >> > >> >> >> >> Two complaints so far: >> >> - I don't like the vma_mark_locked() name. To me it says that the caller >> >>already took or is

Re: [RFC PATCH RESEND 00/28] per-VMA locks proposal

2022-09-27 Thread Suren Baghdasaryan
On Sun, Sep 11, 2022 at 2:35 AM Vlastimil Babka wrote: > > On 9/2/22 01:26, Suren Baghdasaryan wrote: > > On Thu, Sep 1, 2022 at 1:58 PM Kent Overstreet > > wrote: > >> > >> On Thu, Sep 01, 2022 at 10:34:48AM -0700, Suren Baghdasaryan wrote: > >> > Resending to fix the issue with the In-Reply-To

Re: [RFC PATCH RESEND 00/28] per-VMA locks proposal

2022-09-11 Thread Vlastimil Babka
On 9/2/22 01:26, Suren Baghdasaryan wrote: > On Thu, Sep 1, 2022 at 1:58 PM Kent Overstreet > wrote: >> >> On Thu, Sep 01, 2022 at 10:34:48AM -0700, Suren Baghdasaryan wrote: >> > Resending to fix the issue with the In-Reply-To tag in the original >> > submission at [4]. >> > >> > This is a proof

Re: [RFC PATCH RESEND 00/28] per-VMA locks proposal

2022-09-05 Thread Kent Overstreet
On Mon, Sep 05, 2022 at 11:32:48AM -0700, Suren Baghdasaryan wrote: > On Mon, Sep 5, 2022 at 5:32 AM 'Michal Hocko' via kernel-team > wrote: > > > > Unless I am missing something, this is not based on the Maple tree > > rewrite, right? Does the change in the data structure makes any > >

Re: [RFC PATCH RESEND 00/28] per-VMA locks proposal

2022-09-02 Thread Peter Zijlstra
On Thu, Sep 01, 2022 at 10:34:48AM -0700, Suren Baghdasaryan wrote: > This is a proof of concept for per-vma locks idea that was discussed > during SPF [1] discussion at LSF/MM this year [2], which concluded with > suggestion that “a reader/writer semaphore could be put into the VMA > itself; that

Re: [RFC PATCH RESEND 00/28] per-VMA locks proposal

2022-09-01 Thread Kent Overstreet
On Thu, Sep 01, 2022 at 10:34:48AM -0700, Suren Baghdasaryan wrote: > Resending to fix the issue with the In-Reply-To tag in the original > submission at [4]. > > This is a proof of concept for per-vma locks idea that was discussed > during SPF [1] discussion at LSF/MM this year [2], which