diff options
| author |   Nikolay Borisov <nborisov@suse.com> | 2017-07-10 15:49:32 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-10 16:32:32 -0700 |
| commit | 618b8c20d03c9ea06711bd36d906322ba35c0add (patch) | |
| tree | 7886cf8c599dfaa2e4a8556faa629a406e0cfc88 /include | |
| parent | mm/swap_slots.c: don't disable preemption while taking the per-CPU cache (diff) | |
| download | linux-dev-618b8c20d03c9ea06711bd36d906322ba35c0add.tar.xz linux-dev-618b8c20d03c9ea06711bd36d906322ba35c0add.zip | |
include/linux/mmzone.h: remove ancient/ambiguous comment
Currently pg_data_t is just a struct which describes a NUMA node memory
layout. Let's keep the comment simple and remove ambiguity.
Link: http://lkml.kernel.org/r/1498220534-22717-1-git-send-email-nborisov@suse.com
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mmzone.h | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 7e8f100cb56d..16532fa0bb64 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -603,12 +603,9 @@ extern struct page *mem_map; #endif /* - * The pg_data_t structure is used in machines with CONFIG_DISCONTIGMEM - * (mostly NUMA machines?) to denote a higher-level memory zone than the - * zone denotes. - * * On NUMA machines, each NUMA node would have a pg_data_t to describe - * it's memory layout. + * it's memory layout. On UMA machines there is a single pglist_data which + * describes the whole memory. * * Memory statistics and page replacement data structures are maintained on a * per-zone basis. |