diff options
Diffstat (limited to 'arch/x86/include/asm/mmu.h')
| -rw-r--r-- | arch/x86/include/asm/mmu.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h index 80a1dee5bea..8314c66c7c3 100644 --- a/arch/x86/include/asm/mmu.h +++ b/arch/x86/include/asm/mmu.h @@ -7,12 +7,19 @@ /* * The x86 doesn't have a mmu context, but * we put the segment information here. + * + * exec_limit is used to track the range PROT_EXEC + * mappings span. */ typedef struct { void *ldt; int size; struct mutex lock; void *vdso; +#ifdef CONFIG_X86_32 + struct desc_struct user_cs; + unsigned long exec_limit; +#endif } mm_context_t; #ifdef CONFIG_SMP |