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-rw-r--r--arch/x86/include/asm/mmu.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h
index 1ea0baef1175..72198c64e646 100644
--- a/arch/x86/include/asm/mmu.h
+++ b/arch/x86/include/asm/mmu.h
@@ -23,6 +23,14 @@ typedef struct {
const struct vdso_image *vdso_image; /* vdso image in use */
atomic_t perf_rdpmc_allowed; /* nonzero if rdpmc is allowed */
+#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
+ /*
+ * One bit per protection key says whether userspace can
+ * use it or not. protected by mmap_sem.
+ */
+ u16 pkey_allocation_map;
+ s16 execute_only_pkey;
+#endif
} mm_context_t;
#ifdef CONFIG_SMP