Re: [PATCH v2 0/3] use vma locks for proc/pid/{smaps|numa_maps} reads
From: Andrew Morton
Date: Sun Apr 26 2026 - 15:59:55 EST
On Sat, 25 Apr 2026 23:27:15 -0700 Suren Baghdasaryan <surenb@xxxxxxxxxx> 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@xxxxxxxxxx