The patch titled
Subject: include/linux/mm.h: provide consistent declaration for num_poisoned_pages
has been added to the -mm tree. Its filename is
mm-provide-consistent-declaration-for-num_poisoned_pages.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-provide-consistent-declaration-for-num_poisoned_pages.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-provide-consistent-declaration-for-num_poisoned_pages.patch
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------------------------------------------------------
From: Guenter Roeck <linux@xxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxx
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mm.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN include/linux/mm.h~mm-provide-consistent-declaration-for-num_poisoned_pages include/linux/mm.h
--- a/include/linux/mm.h~mm-provide-consistent-declaration-for-num_poisoned_pages
+++ a/include/linux/mm.h
@@ -2585,7 +2585,7 @@ extern int get_hwpoison_page(struct 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);
_
Patches currently in -mm which might be from linux@xxxxxxxxxxxx are
mm-provide-consistent-declaration-for-num_poisoned_pages.patch
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