Re: [PATCH] mm: pass the pfn to set_pageblock_migratetype
From: Matthew Wilcox
Date: Mon Jun 03 2024 - 09:05:22 EST
On Mon, Jun 03, 2024 at 08:41:00PM +0800, Yajun Deng wrote:
> It is necessary to calculate the pfn in the set_pageblock_migratetype(),
> but most of the callers already have the pfn.
>
> To reduce the calculation, pass the pfn to set_pageblock_migratetype().
It's not exactly a hard computation though. Have you done any
measurements that show this patch is an improvement?