Thread (8 messages) 8 messages, 3 authors, 2024-08-08

Re: [PATCH v2] filemap: add trace events for get_pages, map_pages, and fault

From: Steven Rostedt <rostedt@goodmis.org>
Date: 2024-07-02 16:37:50
Also in: linux-fsdevel, linux-mm, lkml

On Tue, 2 Jul 2024 19:27:16 +0900
Takaya Saeki [off-list ref] wrote:
Hello all, and thank you so much for the review, Steven and Masami.

I'm currently considering replacing the `max_ofs` output with
`length`. Please let me know your thoughts.
With the current design, a memory range of an event is an inclusive
range of [ofs, max_ofs + 4096]. I found the `+4096` part confusing
during the ureadahead's upstreaming work. Replacing `max_ofs` with
`length` makes the range specified by an event much more concise.
This makes sense to me.

Matthew, have any comments on this?

Thanks,

-- Steve
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