Re: [PATCH] mm/damon/vaddr: drop redundant mmap_read_lock from damon_va_three_regions

[SeongJae Park]

Hello Cunlong,

On Sun, 07 Jun 2026 21:48:52 +0800 Cunlong Li <shenxiaogll@xxxxxxxxx> wrote:

> __damon_va_three_regions() already walks VMAs under rcu_read_lock(), so
> the outer mmap_read_lock() is no longer needed.

The function aims to read a snapshot of the virtual address space.  So I think
mmap_read_lock() is still required.  Please let me know if I'm missing
something.


Thanks,
SJ

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