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authorGuenter Roeck <linux@roeck-us.net>2018-04-05 16:24:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-05 21:36:26 -0700
commit5844a486daf2705dcdbfabe869a698bdfe629f54 (patch)
treea56d36d9b1fd551cd4ad7b242bbbee3c626e7bdd /include/linux/mm.h
parentc1d53b92b95c23909de11a97bcc51f26a9509231 (diff)
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include/linux/mm.h: provide consistent declaration for num_poisoned_pages
clang reports the following compile warning. In file included from mm/vmscan.c:56: ./include/linux/swapops.h:327:22: warning: section attribute is specified on redeclared variable [-Wsection] extern atomic_long_t num_poisoned_pages __read_mostly; ^ ./include/linux/mm.h:2585:22: note: previous declaration is here extern atomic_long_t num_poisoned_pages; ^ Let's use __read_mostly everywhere. Link: http://lkml.kernel.org/r/1519686565-8224-1-git-send-email-linux@roeck-us.net Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Matthias Kaehlcke <mka@chromium.org> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mm.h')
-rw-r--r--include/linux/mm.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 7c06581edaa2..40fca1b2b6a1 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2592,7 +2592,7 @@ extern int get_hwpoison_page(struct page *page);
extern int sysctl_memory_failure_early_kill;
extern int sysctl_memory_failure_recovery;
extern void shake_page(struct page *p, int access);
-extern atomic_long_t num_poisoned_pages;
+extern atomic_long_t num_poisoned_pages __read_mostly;
extern int soft_offline_page(struct page *page, int flags);