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| author | Jens Axboe <axboe@kernel.dk> | 2021-03-02 14:53:21 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-03-02 17:25:46 -0700 |
| commit | caf6912f3f4af7232340d500a4a2008f81b93f14 (patch) | |
| tree | 64099ad5cba8855452bb5eb518da72a5bac3855a /mm/page_io.c | |
| parent | f5f4fc4649ae542b1a25670b17aaf3cbb6187acc (diff) | |
| download | lwn-caf6912f3f4af7232340d500a4a2008f81b93f14.tar.gz lwn-caf6912f3f4af7232340d500a4a2008f81b93f14.zip | |
swap: fix swapfile read/write offset
We're not factoring in the start of the file for where to write and
read the swapfile, which leads to very unfortunate side effects of
writing where we should not be...
Fixes: 48d15436fde6 ("mm: remove get_swap_bio")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'mm/page_io.c')
| -rw-r--r-- | mm/page_io.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/mm/page_io.c b/mm/page_io.c index 485fa5cca4a2..c493ce9ebcf5 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -254,11 +254,6 @@ out: return ret; } -static sector_t swap_page_sector(struct page *page) -{ - return (sector_t)__page_file_index(page) << (PAGE_SHIFT - 9); -} - static inline void count_swpout_vm_event(struct page *page) { #ifdef CONFIG_TRANSPARENT_HUGEPAGE |