From: Andrew Morton <akpm@linux-foundation.org>
To: Suren Baghdasaryan <surenb@google.com>
Cc: liam@infradead.org, ljs@kernel.org, vbabka@kernel.org,
david@redhat.com, willy@infradead.org, jannh@google.com,
paulmck@kernel.org, pfalcato@suse.de, shuah@kernel.org,
hsukrut3@gmail.com, richard.weiyang@gmail.com,
reddybalavignesh9979@gmail.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kselftest@vger.kernel.org
Subject: Re: [PATCH v2 0/3] use vma locks for proc/pid/{smaps|numa_maps} reads
Date: Sun, 26 Apr 2026 12:59:41 -0700 [thread overview]
Message-ID: <20260426125941.9921d585e2c5033e68ddb9a1@linux-foundation.org> (raw)
In-Reply-To: <20260426062718.1238437-1-surenb@google.com>
On Sat, 25 Apr 2026 23:27:15 -0700 Suren Baghdasaryan <surenb@google.com> wrote:
> Use per-vma locks when reading /proc/pid/smaps and /proc/pid/numa_maps
> similar to /proc/pid/maps to reduce contention on central mmap_lock.
Was the benefit measured/measurable?
Sashiko doesn't like your strchr():
https://sashiko.dev/#/patchset/20260426062718.1238437-1-surenb@google.com
prev parent reply other threads:[~2026-04-26 19:59 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-26 6:27 [PATCH v2 0/3] use vma locks for proc/pid/{smaps|numa_maps} reads Suren Baghdasaryan
2026-04-26 6:27 ` [PATCH v2 1/3] fs/proc/task_mmu: read proc/pid/{smaps|numa_maps} under per-vma lock Suren Baghdasaryan
2026-04-26 6:27 ` [PATCH v2 2/3] selftests/proc: ensure the test is performed at the right page boundary Suren Baghdasaryan
2026-04-26 6:27 ` [PATCH v2 3/3] selftests/proc: add /proc/pid/smaps tearing tests Suren Baghdasaryan
2026-04-26 19:59 ` Andrew Morton [this message]
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