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mm-swapfile-remove-stale-reuse_swap_page.patch removed from -mm tree

merged Andrew Morton 1 participant 1 message Mar 25, 2022

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The patch titled
Subject: mm/swapfile: remove stale reuse_swap_page()
has been removed from the -mm tree. Its filename was
mm-swapfile-remove-stale-reuse_swap_page.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: David Hildenbrand <[email protected]>
Subject: mm/swapfile: remove stale reuse_swap_page()

All users are gone, let's remove it. We'll let SWP_STABLE_WRITES stick around for now, as it might come in handy in the near future.

Link https://lkml.kernel.org/r/[email protected] open here
Signed-off-by David Hildenbrand <[email protected]>
Acked-by Vlastimil Babka <[email protected]>
Cc Andrea Arcangeli <[email protected]>
Cc Christoph Hellwig <[email protected]>
Cc David Rientjes <[email protected]>
Cc Don Dutile <[email protected]>
Cc Hugh Dickins <[email protected]>
Cc Jan Kara <[email protected]>
Cc Jann Horn <[email protected]>
Cc Jason Gunthorpe <[email protected]>
Cc John Hubbard <[email protected]>
Cc Kirill A. Shutemov <[email protected]>
Cc Liang Zhang <[email protected]>
Cc Matthew Wilcox (Oracle) <[email protected]>
Cc Michal Hocko <[email protected]>
Cc Mike Kravetz <[email protected]>
Cc Mike Rapoport <[email protected]>
Cc Nadav Amit <[email protected]>
Cc Oleg Nesterov <[email protected]>
Cc Peter Xu <[email protected]>
Cc Rik van Riel <[email protected]>
Cc Roman Gushchin <[email protected]>
Cc Shakeel Butt <[email protected]>
Cc Yang Shi <[email protected]>
Signed-off-by Andrew Morton <[email protected]>

---

 include/linux/swap.h |    4 -
 mm/swapfile.c        |  104 -----------------------------------------
 2 files changed, 108 deletions(-)
include/linux/swap.h renamed from include/linux/swap.h~mm-swapfile-remove-stale-reuse_swap_page +0 -4
@@ -515,7 +515,6 @@ extern int __swp_swapcount(swp_entry_t e
 extern int swp_swapcount(swp_entry_t entry);
 extern struct swap_info_struct *page_swap_info(struct page *);
 extern struct swap_info_struct *swp_swap_info(swp_entry_t entry);
-extern bool reuse_swap_page(struct page *);
 extern int try_to_free_swap(struct page *);
 struct backing_dev_info;
 extern int init_swap_address_space(unsigned int type, unsigned long nr_pages);

@@ -681,9 +680,6 @@ static inline int swp_swapcount(swp_entr
 	return 0;
 }
 
-#define reuse_swap_page(page) \
-	(page_trans_huge_mapcount(page) == 1)
-
 static inline int try_to_free_swap(struct page *page)
 {
 	return 0;
mm/swapfile.c renamed from mm/swapfile.c~mm-swapfile-remove-stale-reuse_swap_page +0 -104

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