diff options
| author | Michael J. Chudobiak <mjc@avtechpulse.com> | 2016-04-25 10:00:44 -0400 |
|---|---|---|
| committer | Michael J. Chudobiak <mjc@avtechpulse.com> | 2016-04-25 10:00:44 -0400 |
| commit | a1df417e74aa6dae7352dc8cbb0ad471af5b7c69 (patch) | |
| tree | c34b2311e37ea31db153c90cb8f4570374d05e78 /linux/arch/x86/mm/kmemcheck/pte.c | |
initial Olimex linux tree from Daniel, originally Feb 3, 2016
Diffstat (limited to 'linux/arch/x86/mm/kmemcheck/pte.c')
| -rw-r--r-- | linux/arch/x86/mm/kmemcheck/pte.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/linux/arch/x86/mm/kmemcheck/pte.c b/linux/arch/x86/mm/kmemcheck/pte.c new file mode 100644 index 00000000..4ead26ee --- /dev/null +++ b/linux/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; +} + |