Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH 10/11] mm: frontswap: split out function to clear a page out | Date | Wed, 6 Jun 2012 12:55:14 +0200 |
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Signed-off-by: Sasha Levin <levinsasha928@gmail.com> --- mm/frontswap.c | 15 +++++++++------ 1 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/mm/frontswap.c b/mm/frontswap.c index c0cd8bc..92e2e7b 100644 --- a/mm/frontswap.c +++ b/mm/frontswap.c @@ -99,6 +99,12 @@ void __frontswap_init(unsigned type) } EXPORT_SYMBOL(__frontswap_init); +static inline void __frontswap_clear(struct swap_info_struct *sis, pgoff_t offset) +{ + frontswap_clear(sis, offset); + atomic_dec(&sis->frontswap_pages); +} + /* * "Put" data from a page to frontswap and associate it with the page's * swaptype and offset. Page must be locked and in the swap cache. @@ -131,10 +137,8 @@ int __frontswap_put_page(struct page *page) the (older) page from frontswap */ frontswap_failed_puts++; - if (dup) { - frontswap_clear(sis, offset); - atomic_dec(&sis->frontswap_pages); - } + if (dup) + __frontswap_clear(sis, offset); } if (frontswap_writethrough_enabled) /* report failure so swap also writes to swap device */ @@ -179,8 +183,7 @@ void __frontswap_invalidate_page(unsigned type, pgoff_t offset) trace_frontswap_invalidate_page(type, offset, sis, frontswap_test(sis, offset)); if (frontswap_test(sis, offset)) { frontswap_ops.invalidate_page(type, offset); - atomic_dec(&sis->frontswap_pages); - frontswap_clear(sis, offset); + __frontswap_clear(sis, offset); frontswap_invalidates++; } } -- 1.7.8.6
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