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Subject[PATCH v7 04/14] mm,hwpoison: unexport get_hwpoison_page and make it static
Date
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.de>
---
include/linux/mm.h | 1 -
mm/memory-failure.c | 3 +--
2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 185fcef0deb6..20ac1653fb81 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -3015,7 +3015,6 @@ 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 0e6edffa91a9..f8cff387451e 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -924,7 +924,7 @@ 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);

@@ -953,7 +953,6 @@ int get_hwpoison_page(struct page *page)

return 0;
}
-EXPORT_SYMBOL_GPL(get_hwpoison_page);

/*
* Do all that is necessary to remove user space mappings. Unmap
--
2.26.2
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