thanks for the suggest from Matthew and Vlastimil. On 2024/11/4 21:39, Matthew Wilcox wrote: > On Mon, Nov 04, 2024 at 03:35:37PM +0800, Kassey Li quic wrote: >>>> In many kernel code we are talking with page other than pfn, >>>> here we added page algin with pfn. >>> How exactly would this help you, what are you doing with the trace? >> we met some problem where filesystem held the page. >> >> we can show the page pointer other than pfn in filesystem code. > Don't do that. Change the filesystem code to show the pfn, and send > *that* patch instead. thanks for the suggest from Matthew and Vlastimil.