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| author | Chris Metcalf <cmetcalf@tilera.com> | 2010-06-25 14:38:16 -0400 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2010-06-25 14:38:16 -0400 |
| commit | 9c78965ca18594fe0a34a1a1b13781b10f85e4bc (patch) | |
| tree | 60c9e83d3c2b56e3c7f5169b63577a72bf7ddb57 /arch/arm/mm/highmem.c | |
| parent | 139ef32b0e6b88b00b5e3e74d052d938f178dc9b (diff) | |
| parent | 7e27d6e778cd87b6f2415515d7127eba53fe5d02 (diff) | |
Merge branch 'master' into for-linus
Diffstat (limited to 'arch/arm/mm/highmem.c')
| -rw-r--r-- | arch/arm/mm/highmem.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c index 77b030f5ec09..086816b205b8 100644 --- a/arch/arm/mm/highmem.c +++ b/arch/arm/mm/highmem.c @@ -48,7 +48,16 @@ void *kmap_atomic(struct page *page, enum km_type type) debug_kmap_atomic(type); - kmap = kmap_high_get(page); +#ifdef CONFIG_DEBUG_HIGHMEM + /* + * There is no cache coherency issue when non VIVT, so force the + * dedicated kmap usage for better debugging purposes in that case. + */ + if (!cache_is_vivt()) + kmap = NULL; + else +#endif + kmap = kmap_high_get(page); if (kmap) return kmap; |