[v4,06/15] mm,hwpoison: Un-export get_hwpoison_page and make it static
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Message ID 20200716123810.25292-7-osalvador@suse.de
State In Next
Commit 4822403a73e04caca6d47b621b445df01727ddd3
Headers show
  • Hwpoison soft-offline rework
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Commit Message

Oscar Salvador July 16, 2020, 12:38 p.m. UTC
Since get_hwpoison_page is only used in memory-failure code now,
let us un-export it and make it private to that code.

Signed-off-by: Oscar Salvador <osalvador@suse.com>
 include/linux/mm.h  | 1 -
 mm/memory-failure.c | 3 +--
 2 files changed, 1 insertion(+), 3 deletions(-)

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diff --git a/include/linux/mm.h b/include/linux/mm.h
index b3c8fd204ec4..919bcab54c26 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -3008,7 +3008,6 @@  extern int memory_failure(unsigned long pfn, int flags);
 extern void memory_failure_queue(unsigned long pfn, int flags);
 extern void memory_failure_queue_kick(int cpu);
 extern int unpoison_memory(unsigned long pfn);
-extern int get_hwpoison_page(struct page *page);
 #define put_hwpoison_page(page)	put_page(page)
 extern int sysctl_memory_failure_early_kill;
 extern int sysctl_memory_failure_recovery;
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index d2d6010764e7..48feb45047f7 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -925,7 +925,7 @@  static int page_action(struct page_state *ps, struct page *p,
  * Return: return 0 if failed to grab the refcount, otherwise true (some
  * non-zero value.)
-int get_hwpoison_page(struct page *page)
+static int get_hwpoison_page(struct page *page)
 	struct page *head = compound_head(page);
@@ -954,7 +954,6 @@  int get_hwpoison_page(struct page *page)
 	return 0;
  * Do all that is necessary to remove user space mappings. Unmap