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authorThomas Gleixner <tglx@linutronix.de>2010-02-17 18:27:37 +0100
committerThomas Gleixner <tglx@linutronix.de>2010-02-17 18:28:05 +0100
commitb7e56edba4b02f2079042c326a8cd72a44635817 (patch)
treeb5042002e9747cd8fb1278d61f86d8b92a74c018 /arch/mips/include/asm/pgtable.h
parent13ca0fcaa33f6b1984c4111b6ec5df42689fea6f (diff)
parentb0483e78e5c4c9871fc5541875b3bc006846d46b (diff)
downloadop-kernel-dev-b7e56edba4b02f2079042c326a8cd72a44635817.zip
op-kernel-dev-b7e56edba4b02f2079042c326a8cd72a44635817.tar.gz
Merge branch 'linus' into x86/mm
x86/mm is on 32-rc4 and missing the spinlock namespace changes which are needed for further commits into this topic. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/mips/include/asm/pgtable.h')
-rw-r--r--arch/mips/include/asm/pgtable.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
index d6eb613..1854336 100644
--- a/arch/mips/include/asm/pgtable.h
+++ b/arch/mips/include/asm/pgtable.h
@@ -390,6 +390,19 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma,
#include <asm-generic/pgtable.h>
/*
+ * uncached accelerated TLB map for video memory access
+ */
+#ifdef CONFIG_CPU_SUPPORTS_UNCACHED_ACCELERATED
+#define __HAVE_PHYS_MEM_ACCESS_PROT
+
+struct file;
+pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
+ unsigned long size, pgprot_t vma_prot);
+int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
+ unsigned long size, pgprot_t *vma_prot);
+#endif
+
+/*
* We provide our own get_unmapped area to cope with the virtual aliasing
* constraints placed on us by the cache architecture.
*/
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