4 #include <linux/spinlock.h>
5 #include <linux/mutex.h>
8 * The x86 doesn't have a mmu context, but
9 * we put the segment information here.
12 #ifdef CONFIG_MODIFY_LDT_SYSCALL
13 struct ldt_struct *ldt;
17 /* True if mm supports a task running in 32 bit compatibility mode. */
18 unsigned short ia32_compat;
22 void __user *vdso; /* vdso base address */
23 const struct vdso_image *vdso_image; /* vdso image in use */
25 atomic_t perf_rdpmc_allowed; /* nonzero if rdpmc is allowed */
26 #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
28 * One bit per protection key says whether userspace can
29 * use it or not. protected by mmap_sem.
31 u16 pkey_allocation_map;
32 s16 execute_only_pkey;
37 void leave_mm(int cpu);
39 static inline void leave_mm(int cpu)
44 #endif /* _ASM_X86_MMU_H */