diff options
| author | Hao Lee <haolee.swjtu@gmail.com> | 2022-08-07 18:44:42 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-08-21 01:17:45 +0300 |
| commit | a39c5d3ce03dd890ab6a9be44b21177cec32da55 (patch) | |
| tree | 37956a27179b3f9e0119867353b99d28c0285867 /include | |
| parent | a8faed3a02eeb75857a3b5d660fa80fe79db77a3 (diff) | |
| download | linux-a39c5d3ce03dd890ab6a9be44b21177cec32da55.tar.xz | |
mm: add DEVICE_ZONE to FOR_ALL_ZONES
FOR_ALL_ZONES should be consistent with enum zone_type. Otherwise,
__count_zid_vm_events have the potential to add count to wrong item when
zid is ZONE_DEVICE.
Link: https://lkml.kernel.org/r/20220807154442.GA18167@haolee.io
Signed-off-by: Hao Lee <haolee.swjtu@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/vm_event_item.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h index 404024486fa5..f3fc36cd2276 100644 --- a/include/linux/vm_event_item.h +++ b/include/linux/vm_event_item.h @@ -20,12 +20,19 @@ #define HIGHMEM_ZONE(xx) #endif -#define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL, HIGHMEM_ZONE(xx) xx##_MOVABLE +#ifdef CONFIG_ZONE_DEVICE +#define DEVICE_ZONE(xx) xx##_DEVICE, +#else +#define DEVICE_ZONE(xx) +#endif + +#define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL, \ + HIGHMEM_ZONE(xx) xx##_MOVABLE, DEVICE_ZONE(xx) enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT, - FOR_ALL_ZONES(PGALLOC), - FOR_ALL_ZONES(ALLOCSTALL), - FOR_ALL_ZONES(PGSCAN_SKIP), + FOR_ALL_ZONES(PGALLOC) + FOR_ALL_ZONES(ALLOCSTALL) + FOR_ALL_ZONES(PGSCAN_SKIP) PGFREE, PGACTIVATE, PGDEACTIVATE, PGLAZYFREE, PGFAULT, PGMAJFAULT, PGLAZYFREED, |