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| author | Steve French <sfrench@us.ibm.com> | 2008-03-01 18:29:55 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2008-03-01 18:29:55 +0000 |
| commit | 0dbd888936a23514716b8d944775bc56f731363a (patch) | |
| tree | a2c60cdc45bdcbed47680731fa8188bffe58c098 /arch/mips/mm/cache.c | |
| parent | 0b442d2c28479332610c46e1a74e5638ab63a97d (diff) | |
| parent | d395991c117d43bfca97101a931a41d062a93852 (diff) | |
| download | kernel-crypto-0dbd888936a23514716b8d944775bc56f731363a.tar.gz kernel-crypto-0dbd888936a23514716b8d944775bc56f731363a.tar.xz kernel-crypto-0dbd888936a23514716b8d944775bc56f731363a.zip | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/mips/mm/cache.c')
| -rw-r--r-- | arch/mips/mm/cache.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c index 81f30ac2bff..6a24651971d 100644 --- a/arch/mips/mm/cache.c +++ b/arch/mips/mm/cache.c @@ -92,12 +92,17 @@ EXPORT_SYMBOL(__flush_dcache_page); void __flush_anon_page(struct page *page, unsigned long vmaddr) { - if (pages_do_alias((unsigned long)page_address(page), vmaddr)) { - void *kaddr; + unsigned long addr = (unsigned long) page_address(page); - kaddr = kmap_coherent(page, vmaddr); - flush_data_cache_page((unsigned long)kaddr); - kunmap_coherent(); + if (pages_do_alias(addr, vmaddr)) { + if (page_mapped(page) && !Page_dcache_dirty(page)) { + void *kaddr; + + kaddr = kmap_coherent(page, vmaddr); + flush_data_cache_page((unsigned long)kaddr); + kunmap_coherent(); + } else + flush_data_cache_page(addr); } } |