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mm: Convert delete_from_swap_cache to XArray

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Both callers of __delete_from_swap_cache have the swp_entry_t already,
so pass that in to make constructing the XA_STATE easier.

Signed-off-by: Matthew Wilcox <willy@infradead.org>
This commit is contained in:
Matthew Wilcox
2017-11-29 08:32:39 -05:00
parent 8d93b41c09
commit 4e17ec250f
3 changed files with 14 additions and 17 deletions
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2
mm/vmscan.c
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@@ -923,7 +923,7 @@ static int __remove_mapping(struct address_space *mapping, struct page *page,
if (PageSwapCache(page)) {
swp_entry_t swap = { .val = page_private(page) };
mem_cgroup_swapout(page, swap);
__delete_from_swap_cache(page);
__delete_from_swap_cache(page, swap);
xa_unlock_irqrestore(&mapping->i_pages, flags);
put_swap_page(page, swap);
} else {