[Bug 292265] shm_create_largepage() does not appear to allocate large pages

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 08 Jan 2026 10:27:36 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=292265

--- Comment #1 from Sad Clouds <cryintothebluesky@gmail.com> ---
If I look at the output of "sysctl vm.largepages" the counters for 2 MiB pages
go up, so it seems the system is allocating large pages, but "procstat vm"
always reports bogus 4 KiB page statistics which are a bit confusing.

Aside from the global sysctl counters, there doesn't seem to be a Solaris style
"pmap -sx" utility to display per process page mappings and the corresponding
page sizes.

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