4 #include <asm/semaphore.h>
6 * The i386 doesn't have a mmu context, but
7 * we put the segment information here.
9 * cpu_vm_mask is used to optimize ldt flushing.
11 * exec_limit is used to track the range PROT_EXEC
18 struct desc_struct user_cs;
19 unsigned long exec_limit;