release/src-rt-6.x.4708/linux/linux-2.6.36/arch/ia64/include/asm/ustack.h

   1 #ifndef _ASM_IA64_USTACK_H
   2 #define _ASM_IA64_USTACK_H
   3
   4 /*
   5  * Constants for the user stack size
   6  */
   7
   8 #ifdef __KERNEL__
   9 #include <asm/page.h>
  10
  11 /* The absolute hard limit for stack size is 1/2 of the mappable space in the region */
  12 #define MAX_USER_STACK_SIZE     (RGN_MAP_LIMIT/2)
  13 #define STACK_TOP               (0x6000000000000000UL + RGN_MAP_LIMIT)
  14 #define STACK_TOP_MAX           STACK_TOP
  15 #endif
  16
  17 /* Make a default stack size of 2GiB */
  18 #define DEFAULT_USER_STACK_SIZE (1UL << 31)
  19
  20 #endif /* _ASM_IA64_USTACK_H */