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authorDavid S. Miller <davem@davemloft.net>2019-02-08 15:00:17 -0800
committerDavid S. Miller <davem@davemloft.net>2019-02-08 15:00:17 -0800
commita655fe9f194842693258f43b5382855db1c2f654 (patch)
treea6e523c42378f43881c421530941dcbb529461ab /include/linux/memory_hotplug.h
parent7499a288bf1a4a49be9d72beb0a5c7b9aa6ffec9 (diff)
parent27b4ad621e887ce8e5eb508a0103f13d30f6b38a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
An ipvlan bug fix in 'net' conflicted with the abstraction away of the IPV6 specific support in 'net-next'. Similarly, a bug fix for mlx5 in 'net' conflicted with the flow action conversion in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
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; \
})
/*