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| author | Christoph Lameter <clameter@sgi.com> | 2008-02-27 11:07:10 -0800 |
|---|---|---|
| committer | Christoph Lameter <clameter@sgi.com> | 2008-02-27 11:07:10 -0800 |
| commit | 9ef64cb4320df821638b508f79aa8b858cca99f0 (patch) | |
| tree | 4efbf0854234f89c6f4413077ec795fc669b5b0a /arch/mips/mm/cache.c | |
| parent | 6f157c1d268d5888ca44c589dccd01729c4172f6 (diff) | |
| parent | 7704a8b6fc4a8f51599eb2af4dcf1e2ac9c7e576 (diff) | |
| download | kernel-crypto-9ef64cb4320df821638b508f79aa8b858cca99f0.tar.gz kernel-crypto-9ef64cb4320df821638b508f79aa8b858cca99f0.tar.xz kernel-crypto-9ef64cb4320df821638b508f79aa8b858cca99f0.zip | |
Merge branch 'master' of git://git.kernel.org/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); } } |