Re: [PATCH 17/41] mm/mmap: move VMA locking before anon_vma_lock_write call

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Suren Baghdasaryan <surenb@xxxxxxxxxx>
Subject: Re: [PATCH 17/41] mm/mmap: move VMA locking before anon_vma_lock_write call
From: Michal Hocko <mhocko@xxxxxxxx>
Date: Tue, 17 Jan 2023 16:16:47 +0100
Cc: akpm@xxxxxxxxxxxxxxxxxxxx, michel@xxxxxxxxxxxxxx, jglisse@xxxxxxxxxx, vbabka@xxxxxxx, hannes@xxxxxxxxxxx, mgorman@xxxxxxxxxxxxxxxxxxx, dave@xxxxxxxxxxxx, willy@xxxxxxxxxxxxx, liam.howlett@xxxxxxxxxx, peterz@xxxxxxxxxxxxx, ldufour@xxxxxxxxxxxxx, laurent.dufour@xxxxxxxxxx, paulmck@xxxxxxxxxx, luto@xxxxxxxxxx, songliubraving@xxxxxx, peterx@xxxxxxxxxx, david@xxxxxxxxxx, dhowells@xxxxxxxxxx, hughd@xxxxxxxxxx, bigeasy@xxxxxxxxxxxxx, kent.overstreet@xxxxxxxxx, punit.agrawal@xxxxxxxxxxxxx, lstoakes@xxxxxxxxx, peterjung1337@xxxxxxxxx, rientjes@xxxxxxxxxx, axelrasmussen@xxxxxxxxxx, joelaf@xxxxxxxxxx, minchan@xxxxxxxxxx, jannh@xxxxxxxxxx, shakeelb@xxxxxxxxxx, tatashin@xxxxxxxxxx, edumazet@xxxxxxxxxx, gthelen@xxxxxxxxxx, gurua@xxxxxxxxxx, arjunroy@xxxxxxxxxx, soheil@xxxxxxxxxx, hughlynch@xxxxxxxxxx, leewalsh@xxxxxxxxxx, posk@xxxxxxxxxx, linux-mm@xxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, kernel-team@xxxxxxxxxxx
In-reply-to: <20230109205336.3665937-18-surenb@google.com>
References: <20230109205336.3665937-1-surenb@google.com> <20230109205336.3665937-18-surenb@google.com>

On Mon 09-01-23 12:53:12, Suren Baghdasaryan wrote:
> Move VMA flag modification (which now implies VMA locking) before
> anon_vma_lock_write to match the locking order of page fault handler.

Does this changelog assumes per vma locking in the #PF?

-- 
Michal Hocko
SUSE Labs

Follow-Ups:
- Re: [PATCH 17/41] mm/mmap: move VMA locking before anon_vma_lock_write call
  - From: Suren Baghdasaryan

References:
- [PATCH 00/41] Per-VMA locks
  - From: Suren Baghdasaryan
- [PATCH 17/41] mm/mmap: move VMA locking before anon_vma_lock_write call
  - From: Suren Baghdasaryan

Prev by Date: Re: [PATCH 13/41] mm: introduce vma->vm_flags modifier functions
Next by Date: Re: [PATCH 18/41] mm/khugepaged: write-lock VMA while collapsing a huge page
Previous by thread: [PATCH 17/41] mm/mmap: move VMA locking before anon_vma_lock_write call
Next by thread: Re: [PATCH 17/41] mm/mmap: move VMA locking before anon_vma_lock_write call
Index(es):
- Date
- Thread

[Index of Archives] [Linux ARM Kernel] [Linux ARM] [Linux Omap] [Fedora ARM] [IETF Annouce] [Bugtraq] [Linux OMAP] [Linux MIPS] [eCos] [Asterisk Internet PBX] [Linux API]