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authorJiri Kosina <jkosina@suse.cz>2017-09-05 11:07:05 +0200
committerJiri Kosina <jkosina@suse.cz>2017-09-05 11:07:05 +0200
commitb11918bdbe79bd002d00a9f1d78958167ccfad99 (patch)
tree931c5680a242041f49b07b20823012ae9bdb98c2 /include/linux/mmzone.h
parentd3c7ad2432115b0b53fb838c14b8ad9ad72f7254 (diff)
parent0152b29c89650654abf4f0e96bbf2566b85ae55d (diff)
Merge branch 'for-4.14/battery' into for-linus
- support for batteries driven by HID input reports, from Dmitry Torokhov
Diffstat (limited to 'include/linux/mmzone.h')
-rw-r--r--include/linux/mmzone.h8
1 files changed, 3 insertions, 5 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 7e8f100cb56d..fc14b8b3f6ce 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.
@@ -1058,6 +1055,7 @@ static inline struct zoneref *first_zones_zonelist(struct zonelist *zonelist,
!defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP)
static inline unsigned long early_pfn_to_nid(unsigned long pfn)
{
+ BUILD_BUG_ON(IS_ENABLED(CONFIG_NUMA));
return 0;
}
#endif