1 #ifndef _LINUX_PKEYS_H 2 #define _LINUX_PKEYS_H 3 4 #include <linux/mm_types.h> 5 #include <asm/mmu_context.h> 6 7 #define PKEY_DISABLE_ACCESS 0x1 8 #define PKEY_DISABLE_WRITE 0x2 9 #define PKEY_ACCESS_MASK (PKEY_DISABLE_ACCESS |\ 10 PKEY_DISABLE_WRITE) 11 12 #ifdef CONFIG_ARCH_HAS_PKEYS 13 #include <asm/pkeys.h> 14 #else /* ! CONFIG_ARCH_HAS_PKEYS */ 15 #define arch_max_pkey() (1) 16 #define execute_only_pkey(mm) (0) 17 #define arch_override_mprotect_pkey(vma, prot, pkey) (0) 18 #define PKEY_DEDICATED_EXECUTE_ONLY 0 19 #endif /* ! CONFIG_ARCH_HAS_PKEYS */ 20 21 #endif /* _LINUX_PKEYS_H */ 22