Subject: Re: [PATCH v2 0/5] mm: reduce mmap_lock contention and improve page fault performance

From: Matthew Wilcox <[email-masked]>
Date: Fri, 22 May 2026 14:09:27 +0100

On Fri, May 22, 2026 at 10:33:05AM +0800, Barry Song (Xiaomi) wrote:
> need to touch `filemap.c` at all (probably because you are already
> maintaining `filemap.c` perfectly):

I'm going to give you one chance to apologise for that.