[IA64] Removed "task_size" element from thread_struct - it is now constant

When the 32-bit compat code was deleted, we should also have removed
the task_size element from the thread structure - threads can only
be 64-bit now, so no need to keep track of how much virtual address
space each task can have ... everyone gets 0xa000000000000000.

Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Tony Luck <tony.luck@intel.com>

diff --git a/arch/ia64/include/asm/processor.h b/arch/ia64/include/asm/processor.h
index 483f6c6a4238d176eb449953ce0f157c2232cb12..a1e70223db4abb9142dc37db18488a302e5fd6dd 100644 (file)
--- a/arch/ia64/include/asm/processor.h
+++ b/arch/ia64/include/asm/processor.h
@@ -34,8 +34,7 @@
  * each (assuming 8KB page size), for a total of 8TB of user virtual
  * address space.
  */
-#define TASK_SIZE_OF(tsk)      ((tsk)->thread.task_size)
-#define TASK_SIZE              TASK_SIZE_OF(current)
+#define TASK_SIZE              DEFAULT_TASK_SIZE
 
 /*
  * This decides where the kernel will search for a free chunk of vm
@@ -280,7 +279,6 @@ struct thread_struct {
        __u8 pad[3];
        __u64 ksp;                      /* kernel stack pointer */
        __u64 map_base;                 /* base address for get_unmapped_area() */
-       __u64 task_size;                /* limit for task size */
        __u64 rbs_bot;                  /* the base address for the RBS */
        int last_fph_cpu;               /* CPU that may hold the contents of f32-f127 */
 
@@ -303,7 +301,6 @@ struct thread_struct {
        .ksp =          0,                                      \
        .map_base =     DEFAULT_MAP_BASE,                       \
        .rbs_bot =      STACK_TOP - DEFAULT_USER_STACK_SIZE,    \
-       .task_size =    DEFAULT_TASK_SIZE,                      \
        .last_fph_cpu =  -1,                                    \
        INIT_THREAD_PM                                          \
        .dbr =          {0, },                                  \