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| author |   Paul Mundt <lethal@linux-sh.org> | 2009-09-09 17:13:07 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-09-09 17:13:07 +0900 |
| commit | c4845a4b2288a9e5d96a0558e474809028c8aff3 (patch) | |
| tree | ebe4ecedec6d68b131fc3803363b9b3020b958f9 /arch/sh/mm/cache-sh4.c | |
| parent | sh: Rework sh4_flush_cache_page() for coherent kmap mapping. (diff) | |
| download | linux-dev-c4845a4b2288a9e5d96a0558e474809028c8aff3.tar.xz linux-dev-c4845a4b2288a9e5d96a0558e474809028c8aff3.zip | |
sh: Fix up redundant cache flushing for PAGE_SIZE > 4k.
If PAGE_SIZE is presently over 4k we do a lot of extra flushing given
that we purge the cache 4k at a time. Make it explicitly 4k per
iteration, rather than iterating for PAGE_SIZE before looping over again.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm/cache-sh4.c')
| -rw-r--r-- | arch/sh/mm/cache-sh4.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c index e3fbd99b323c..8362d312ad94 100644 --- a/arch/sh/mm/cache-sh4.c +++ b/arch/sh/mm/cache-sh4.c @@ -357,7 +357,7 @@ static void __flush_cache_4096(unsigned long addr, unsigned long phys, * pointless nead-of-loop check for 0 iterations. */ do { - ea = base_addr + PAGE_SIZE; + ea = base_addr + 4096; a = base_addr; p = phys; |