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| author |   Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-01-14 14:06:44 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2022-01-15 16:30:28 +0200 |
| commit | 020e87650af9f43683546729f959fdc78422a4b7 (patch) | |
| tree | 5221a7d305f8546de0953d159efb852b5101b752 /mm/swapfile.c | |
| parent | x86: mm: add x86_64 support for page table check (diff) | |
| download | linux-dev-020e87650af9f43683546729f959fdc78422a4b7.tar.xz linux-dev-020e87650af9f43683546729f959fdc78422a4b7.zip | |
mm: remove last argument of reuse_swap_page()
None of the callers care about the total_map_swapcount() any more.
Link: https://lkml.kernel.org/r/20211220205943.456187-1-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/swapfile.c')
| -rw-r--r-- | mm/swapfile.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c index e64207e2ef1d..31d13a393cf0 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1668,12 +1668,8 @@ static int page_trans_huge_map_swapcount(struct page *page, int *total_mapcount, * to it. And as a side-effect, free up its swap: because the old content * on disk will never be read, and seeking back there to write new content * later would only waste time away from clustering. - * - * NOTE: total_map_swapcount should not be relied upon by the caller if - * reuse_swap_page() returns false, but it may be always overwritten - * (see the other implementation for CONFIG_SWAP=n). */ -bool reuse_swap_page(struct page *page, int *total_map_swapcount) +bool reuse_swap_page(struct page *page) { int count, total_mapcount, total_swapcount; @@ -1682,8 +1678,6 @@ bool reuse_swap_page(struct page *page, int *total_map_swapcount) return false; count = page_trans_huge_map_swapcount(page, &total_mapcount, &total_swapcount); - if (total_map_swapcount) - *total_map_swapcount = total_mapcount + total_swapcount; if (count == 1 && PageSwapCache(page) && (likely(!PageTransCompound(page)) || /* The remaining swap count will be freed soon */ |