Commit 618b8c20 authored by Nikolay Borisov's avatar Nikolay Borisov Committed by Linus Torvalds

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.comSigned-off-by: default avatarNikolay Borisov <nborisov@suse.com>
Acked-by: default avatarMichal Hocko <mhocko@suse.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f07e0f84
...@@ -603,12 +603,9 @@ extern struct page *mem_map; ...@@ -603,12 +603,9 @@ extern struct page *mem_map;
#endif #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 * 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 * Memory statistics and page replacement data structures are maintained on a
* per-zone basis. * per-zone basis.
......
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