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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-03 16:37:01 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-03 16:37:01 -0800 |
| commit | 989d873fc5b6a96695b97738dea8d9f02a60f8ab (patch) | |
| tree | 4d6a866920d93fbe4316d9c7ee22e86161cd3c2f /arch/arm/mm/dma-mapping.c | |
| parent | d9a1abe4844e7591cd82e167a1a09e6546f6c45e (diff) | |
| parent | 04228460a3ded723b2da09141c76c45ddd712caf (diff) | |
| download | linux-989d873fc5b6a96695b97738dea8d9f02a60f8ab.tar.bz2 | |
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm:
ARM: pxa: fix page table corruption on resume
ARM: it8152: add IT8152_LAST_IRQ definition to fix build error
ARM: pxa: PXA_ESERIES depends on FB_W100.
ARM: 6605/1: Add missing include "asm/memory.h"
ARM: 6540/1: Stop irqsoff trace on return to user
ARM: 6537/1: update Nomadik, U300 and Ux500 maintainers
ARM: 6536/1: Add missing SZ_{32,64,128}
ARM: fix cache-feroceon-l2 after stack based kmap_atomic()
ARM: fix cache-xsc3l2 after stack based kmap_atomic()
ARM: get rid of kmap_high_l1_vipt()
ARM: smp: avoid incrementing mm_users on CPU startup
ARM: pxa: PXA_ESERIES depends on FB_W100.
Diffstat (limited to 'arch/arm/mm/dma-mapping.c')
| -rw-r--r-- | arch/arm/mm/dma-mapping.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index ac6a36142fcd..809f1bf9fa29 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -17,6 +17,7 @@ #include <linux/init.h> #include <linux/device.h> #include <linux/dma-mapping.h> +#include <linux/highmem.h> #include <asm/memory.h> #include <asm/highmem.h> @@ -480,10 +481,10 @@ static void dma_cache_maint_page(struct page *page, unsigned long offset, op(vaddr, len, dir); kunmap_high(page); } else if (cache_is_vipt()) { - pte_t saved_pte; - vaddr = kmap_high_l1_vipt(page, &saved_pte); + /* unmapped pages might still be cached */ + vaddr = kmap_atomic(page); op(vaddr + offset, len, dir); - kunmap_high_l1_vipt(page, saved_pte); + kunmap_atomic(vaddr); } } else { vaddr = page_address(page) + offset; |