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| author | Cong Wang <amwang@redhat.com> | 2011-11-25 23:14:39 +0800 |
|---|---|---|
| committer | Cong Wang <xiyou.wangcong@gmail.com> | 2012-03-20 21:48:27 +0800 |
| commit | 9b04c5fec43c0da610a2c37f70c5b013101a6ad7 (patch) | |
| tree | f04767281b7067fba91cf0d37440bf454c492e38 /mm/swapfile.c | |
| parent | c3eede8e0a1292d95c051cf947738687b9c42322 (diff) | |
| download | linux-9b04c5fec43c0da610a2c37f70c5b013101a6ad7.tar.gz | |
mm: remove the second argument of k[un]map_atomic()
Signed-off-by: Cong Wang <amwang@redhat.com>
Diffstat (limited to 'mm/swapfile.c')
| -rw-r--r-- | mm/swapfile.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c index d999f090dfda..00a962caab1a 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -2427,9 +2427,9 @@ int add_swap_count_continuation(swp_entry_t entry, gfp_t gfp_mask) if (!(count & COUNT_CONTINUED)) goto out; - map = kmap_atomic(list_page, KM_USER0) + offset; + map = kmap_atomic(list_page) + offset; count = *map; - kunmap_atomic(map, KM_USER0); + kunmap_atomic(map); /* * If this continuation count now has some space in it, @@ -2472,7 +2472,7 @@ static bool swap_count_continued(struct swap_info_struct *si, offset &= ~PAGE_MASK; page = list_entry(head->lru.next, struct page, lru); - map = kmap_atomic(page, KM_USER0) + offset; + map = kmap_atomic(page) + offset; if (count == SWAP_MAP_MAX) /* initial increment from swap_map */ goto init_map; /* jump over SWAP_CONT_MAX checks */ @@ -2482,26 +2482,26 @@ static bool swap_count_continued(struct swap_info_struct *si, * Think of how you add 1 to 999 */ while (*map == (SWAP_CONT_MAX | COUNT_CONTINUED)) { - kunmap_atomic(map, KM_USER0); + kunmap_atomic(map); page = list_entry(page->lru.next, struct page, lru); BUG_ON(page == head); - map = kmap_atomic(page, KM_USER0) + offset; + map = kmap_atomic(page) + offset; } if (*map == SWAP_CONT_MAX) { - kunmap_atomic(map, KM_USER0); + kunmap_atomic(map); page = list_entry(page->lru.next, struct page, lru); if (page == head) return false; /* add count continuation */ - map = kmap_atomic(page, KM_USER0) + offset; + map = kmap_atomic(page) + offset; init_map: *map = 0; /* we didn't zero the page */ } *map += 1; - kunmap_atomic(map, KM_USER0); + kunmap_atomic(map); page = list_entry(page->lru.prev, struct page, lru); while (page != head) { - map = kmap_atomic(page, KM_USER0) + offset; + map = kmap_atomic(page) + offset; *map = COUNT_CONTINUED; - kunmap_atomic(map, KM_USER0); + kunmap_atomic(map); page = list_entry(page->lru.prev, struct page, lru); } return true; /* incremented */ @@ -2512,22 +2512,22 @@ init_map: *map = 0; /* we didn't zero the page */ */ BUG_ON(count != COUNT_CONTINUED); while (*map == COUNT_CONTINUED) { - kunmap_atomic(map, KM_USER0); + kunmap_atomic(map); page = list_entry(page->lru.next, struct page, lru); BUG_ON(page == head); - map = kmap_atomic(page, KM_USER0) + offset; + map = kmap_atomic(page) + offset; } BUG_ON(*map == 0); *map -= 1; if (*map == 0) count = 0; - kunmap_atomic(map, KM_USER0); + kunmap_atomic(map); page = list_entry(page->lru.prev, struct page, lru); while (page != head) { - map = kmap_atomic(page, KM_USER0) + offset; + map = kmap_atomic(page) + offset; *map = SWAP_CONT_MAX | count; count = COUNT_CONTINUED; - kunmap_atomic(map, KM_USER0); + kunmap_atomic(map); page = list_entry(page->lru.prev, struct page, lru); } return count == COUNT_CONTINUED; |