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| author | Ingo Molnar <mingo@elte.hu> | 2009-06-17 13:06:17 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-17 13:06:17 +0200 |
| commit | a3d06cc6aa3e765dc2bf98626f87272dcf641dca (patch) | |
| tree | aa3e49b58f08d6c0ea55cdca4fb5e6c8ba6ae333 /arch/x86/mm/kmemcheck/pte.c | |
| parent | 0990b1c65729012a63e0eeca93aaaafea4e9a064 (diff) | |
| parent | 65795efbd380a832ae508b04dba8f8e53f0b84d9 (diff) | |
| download | linux-a3d06cc6aa3e765dc2bf98626f87272dcf641dca.tar.gz linux-a3d06cc6aa3e765dc2bf98626f87272dcf641dca.tar.bz2 linux-a3d06cc6aa3e765dc2bf98626f87272dcf641dca.zip | |
Merge branch 'linus' into perfcounters/core
Conflicts:
arch/x86/include/asm/kmap_types.h
include/linux/mm.h
include/asm-generic/kmap_types.h
Merge reason: We crossed changes with kmap_types.h cleanups in mainline.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/kmemcheck/pte.c')
| -rw-r--r-- | arch/x86/mm/kmemcheck/pte.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/mm/kmemcheck/pte.c b/arch/x86/mm/kmemcheck/pte.c new file mode 100644 index 000000000000..4ead26eeaf96 --- /dev/null +++ b/arch/x86/mm/kmemcheck/pte.c @@ -0,0 +1,22 @@ +#include <linux/mm.h> + +#include <asm/pgtable.h> + +#include "pte.h" + +pte_t *kmemcheck_pte_lookup(unsigned long address) +{ + pte_t *pte; + unsigned int level; + + pte = lookup_address(address, &level); + if (!pte) + return NULL; + if (level != PG_LEVEL_4K) + return NULL; + if (!pte_hidden(*pte)) + return NULL; + + return pte; +} + |