mm/memory-failure: pass the folio to collect_procs_ksm()

We've already calculated it, so pass it in instead of recalculating it in
collect_procs_ksm().

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Reviewed-by: Jane Chu <[email protected]>
Reviewed-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, 3 insertions, 11 deletions

diff --git a/include/linux/ksm.h b/include/linux/ksm.h
index 358803cfd4d5..52c63a9c5a9c 100644
--- a/include/linux/ksm.h
+++ b/include/linux/ksm.h
@@ -81,15 +81,9 @@ struct folio *ksm_might_need_to_copy(struct folio *folio,
 
 void rmap_walk_ksm(struct folio *folio, struct rmap_walk_control *rwc);
 void folio_migrate_ksm(struct folio *newfolio, struct folio *folio);
-
-#ifdef CONFIG_MEMORY_FAILURE
-void collect_procs_ksm(struct page *page, struct list_head *to_kill,
-		       int force_early);
-#endif
-
-#ifdef CONFIG_PROC_FS
+void collect_procs_ksm(struct folio *folio, struct page *page,
+		struct list_head *to_kill, int force_early);
 long ksm_process_profit(struct mm_struct *);
-#endif /* CONFIG_PROC_FS */
 
 #else  /* !CONFIG_KSM */
 
@@ -120,12 +114,10 @@ static inline void ksm_might_unmap_zero_page(struct mm_struct *mm, pte_t pte)
 {
 }
 
-#ifdef CONFIG_MEMORY_FAILURE
-static inline void collect_procs_ksm(struct page *page,
+static inline void collect_procs_ksm(struct folio *folio, struct page *page,
 				     struct list_head *to_kill, int force_early)
 {
 }
-#endif
 
 #ifdef CONFIG_MMU
 static inline int ksm_madvise(struct vm_area_struct *vma, unsigned long start,