mm/memory-failure: convert shake_page() to shake_folio()

Removes two calls to compound_head().  Move the prototype to internal.h;
we definitely don't want code outside mm using it.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Reviewed-by: Jane Chu <[email protected]>
Acked-by: Miaohe Lin <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: Miaohe Lin <[email protected]>
Cc: Oscar Salvador <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

1 files changed, 1 insertions, 0 deletions

diff --git a/mm/internal.h b/mm/internal.h
index 5d5e49b86fe3..6803c7b17c1f 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -1037,6 +1037,7 @@ static inline int find_next_best_node(int node, nodemask_t *used_node_mask)
 /*
  * mm/memory-failure.c
  */
+void shake_folio(struct folio *folio);
 extern int hwpoison_filter(struct page *p);
 
 extern u32 hwpoison_filter_dev_major;