aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/memory_hotplug.h
diff options
context:
space:
mode:
authorJohannes Berg <johannes.berg@intel.com>2019-02-22 13:48:13 +0100
committerJohannes Berg <johannes.berg@intel.com>2019-02-22 13:48:13 +0100
commitb7b14ec1ebef35d22f3f4087816468f22c987f75 (patch)
tree3f99f4d7b770d7bba3ee84663b32f98dfbe7582d /include/linux/memory_hotplug.h
parentmac80211: update HE IEs to D3.3 (diff)
parentrocker: Add missing break for PRE_BRIDGE_FLAGS (diff)
Merge remote-tracking branch 'net-next/master' into mac80211-next
Merge net-next to resolve a conflict and to get the mac80211 rhashtable fixes so further patches can be applied on top. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/linux/memory_hotplug.h')
-rw-r--r--include/linux/memory_hotplug.h18
1 files changed, 10 insertions, 8 deletions
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 07da5c6c5ba0..368267c1b71b 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -21,14 +21,16 @@ struct vmem_altmap;
* walkers which rely on the fully initialized page->flags and others
* should use this rather than pfn_valid && pfn_to_page
*/
-#define pfn_to_online_page(pfn) \
-({ \
- struct page *___page = NULL; \
- unsigned long ___nr = pfn_to_section_nr(pfn); \
- \
- if (___nr < NR_MEM_SECTIONS && online_section_nr(___nr))\
- ___page = pfn_to_page(pfn); \
- ___page; \
+#define pfn_to_online_page(pfn) \
+({ \
+ struct page *___page = NULL; \
+ unsigned long ___pfn = pfn; \
+ unsigned long ___nr = pfn_to_section_nr(___pfn); \
+ \
+ if (___nr < NR_MEM_SECTIONS && online_section_nr(___nr) && \
+ pfn_valid_within(___pfn)) \
+ ___page = pfn_to_page(___pfn); \
+ ___page; \
})
/*