diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2010-07-02 13:05:10 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-07-02 13:05:10 +0900 |
| commit | 12462d77ec78be9fb033580b7b64ddf9d0fee44b (patch) | |
| tree | a21157428d46259ed2c8a727ac12a2e658d8181a /arch/arm/mm/highmem.c | |
| parent | 598ee698d9db7beb06e12f4ea9d9a5fbc03a3a77 (diff) | |
| parent | 97e0214044d9f279a3d6286c9f859696ef0b7ebe (diff) | |
Merge branches 'sh/highmem' and 'sh/stable-updates'
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 77b030f5ec0..086816b205b 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; |