Re: [PATCH v3 0/2] mm: batch mm counter updating in filemap_map_pages()

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On 2024/4/13 9:05, Matthew Wilcox wrote:
On Fri, Apr 12, 2024 at 04:12:17PM -0700, Andrew Morton wrote:
On Fri, 12 Apr 2024 14:47:49 +0800 Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> wrote:

Let's batch mm counter updating to accelerate filemap_map_pages().

Are any performance testing results available?

Patch 2/2 says 12% improvement

Yes, lat_pagefault with 512M file from lmbench, thanks.




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