Re: [PATCH] trace/events/page_ref: add page info to page_ref trace event

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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.

    

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