GNU bug report logs - #72278
29.4; Proced reports incorrect results with 16KB page size

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Rahguzar <rahguzar <at> zohomail.eu>, Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 72278 <at> debbugs.gnu.org
Subject: bug#72278: 29.4; Proced reports incorrect results with 16KB page size
Date: Thu, 25 Jul 2024 08:06:44 +0300

> Date: Wed, 24 Jul 2024 19:22:08 +0200
> From:  Rahguzar via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
> 
> I am using GNU/Linux on an Apple M2 processor using the Asahi Linux
> project [1]. They provide a kernel with 16KB page size [2]. This causes proced
> to show incorrect values for percentage memory (other memory related
> attributes might also be affected). E.g. comparing with top I see that
> value reported by proced is a quarter of that related by top. 
> 
> [1] https://asahilinux.org
> [2] https://discussion.fedoraproject.org/t/switch-to-the-kernel-16k-variant/87711

Paul, it sounds like we need to multiply by getpagesize() instead of
by a fixed value of 4?  Some implementations of
system_process_attributes already do that, although not the one which
reads "/proc" on Linux.

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