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| author | Jiri Kosina <jkosina@suse.cz> | 2021-03-30 09:17:09 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2021-03-30 09:17:09 +0200 |
| commit | a6ad93e37e76ec43c9cee6a91dd783fb854c2ff1 (patch) | |
| tree | d091c71637d37d0fb0255af766a9287de6a4611a /include/linux/vmstat.h | |
| parent | 69aea9d2843669387d100e353b5113d1adc9502f (diff) | |
| parent | aebf0a11a8c1fb6444d1365db97f90672199a867 (diff) | |
Merge tag 'platform-drivers-x86-surface-aggregator-v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 into for-5.13/surface-system-aggregator-intergration
Pull immutable integration branch from Hans de Goede to have a stable base for
SSAM (Surface System Aggregator Module) HID transport subsystem merge.
=====
Signed tag for the immutable platform-surface-aggregator-registry
branch for merging into other sub-systems.
Note this is based on v5.12-rc2.
=====
Diffstat (limited to 'include/linux/vmstat.h')
| -rw-r--r-- | include/linux/vmstat.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index 773135fc6e19..506d625163a1 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -313,6 +313,12 @@ static inline void __mod_node_page_state(struct pglist_data *pgdat, enum node_stat_item item, int delta) { if (vmstat_item_in_bytes(item)) { + /* + * Only cgroups use subpage accounting right now; at + * the global level, these items still change in + * multiples of whole pages. Store them as pages + * internally to keep the per-cpu counters compact. + */ VM_WARN_ON_ONCE(delta & (PAGE_SIZE - 1)); delta >>= PAGE_SHIFT; } |