[SPARC64]: Dynamically grow TSB in response to RSS growth.

[linux-2.6-omap-h63xx.git] / include / asm-sparc64 / processor.h

diff --git a/include/asm-sparc64/processor.h b/include/asm-sparc64/processor.h
index 3169f3e2237efb91769521f0b66a9b898d7df060..b3889f3f943a2bda36514154c6ba76565dce6ba9 100644 (file)
--- a/include/asm-sparc64/processor.h
+++ b/include/asm-sparc64/processor.h
@@ -28,6 +28,8 @@
  * User lives in his very own context, and cannot reference us. Note
  * that TASK_SIZE is a misnomer, it really gives maximum user virtual 
  * address that the kernel will allocate out.
+ *
+ * XXX No longer using virtual page tables, kill this upper limit...
  */
 #define VA_BITS                44
 #ifndef __ASSEMBLY__
@@ -37,18 +39,6 @@
 #endif
 #define TASK_SIZE      ((unsigned long)-VPTE_SIZE)
 
-/*
- * The vpte base must be able to hold the entire vpte, half
- * of which lives above, and half below, the base. And it
- * is placed as close to the highest address range as possible.
- */
-#define VPTE_BASE_SPITFIRE     (-(VPTE_SIZE/2))
-#if 1
-#define VPTE_BASE_CHEETAH      VPTE_BASE_SPITFIRE
-#else
-#define VPTE_BASE_CHEETAH      0xffe0000000000000
-#endif
-
 #ifndef __ASSEMBLY__
 
 typedef struct {
@@ -186,8 +176,9 @@ extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
 
 extern unsigned long get_wchan(struct task_struct *task);
 
-#define KSTK_EIP(tsk)  ((tsk)->thread_info->kregs->tpc)
-#define KSTK_ESP(tsk)  ((tsk)->thread_info->kregs->u_regs[UREG_FP])
+#define task_pt_regs(tsk) (task_thread_info(tsk)->kregs)
+#define KSTK_EIP(tsk)  (task_pt_regs(tsk)->tpc)
+#define KSTK_ESP(tsk)  (task_pt_regs(tsk)->u_regs[UREG_FP])
 
 #define cpu_relax()    barrier()