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| author | Lachlan McIlroy <[email protected]> | 2008-02-26 03:26:14 +0000 |
|---|---|---|
| committer | Lachlan McIlroy <[email protected]> | 2008-02-26 03:26:14 +0000 |
| commit | 91e229bbad6524aabaac8717b2f559283670c37a (patch) | |
| tree | 84a55e4ac2dcf23add97bd9fde3e9cb232c12b30 /arch/mips/mm/cache.c | |
| parent | Remove empty file fs/xfs/Makefile-linux-2.6. (diff) | |
| parent | Linux 2.6.25-rc3 (diff) | |
| download | kernel-91e229bbad6524aabaac8717b2f559283670c37a.tar.gz kernel-91e229bbad6524aabaac8717b2f559283670c37a.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
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 81f30ac2bff9..6a24651971df 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); } } |