---
name: "proc_kpagecgroup"
section: "5"
platform: "linux"
package: "man-pages"
version: "6.19-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/proc_kpagecgroup"
---

# proc\_kpagecgroup(5)

memory cgroups

## NAME

/proc/kpagecgroup - memory cgroups

## DESCRIPTION

- */proc/kpagecgroup* (since Linux 4.3)

  This file contains a 64-bit inode number of the memory cgroup each page is charged to, indexed by page frame number (see the discussion of */proc/*pid*/pagemap*).

-

  The */proc/kpagecgroup* file is present only if the **CONFIG\_MEMCG** kernel configuration option is enabled.

## SEE ALSO

[**proc**(5)](/proc/5.md)