ARC: Make vmalloc size configurable

[linux-2.6-microblaze.git] / arch / arc / include / asm / processor.h

diff --git a/arch/arc/include/asm/processor.h b/arch/arc/include/asm/processor.h
index 1d694c1..d0a9211 100644 (file)
--- a/arch/arc/include/asm/processor.h
+++ b/arch/arc/include/asm/processor.h
@@ -97,7 +97,7 @@ extern unsigned int get_wchan(struct task_struct *p);
 #endif /* !__ASSEMBLY__ */
 
 /*
- * System Memory Map on ARC
+ * Default System Memory Map on ARC
  *
  * ---------------------------- (lower 2G, Translated) -------------------------
  * 0x0000_0000         0x5FFF_FFFF     (user vaddr: TASK_SIZE)
@@ -109,18 +109,17 @@ extern unsigned int get_wchan(struct task_struct *p);
  * 0xC000_0000         0xFFFF_FFFF     (peripheral uncached space)
  * -----------------------------------------------------------------------------
  */
-#define VMALLOC_START  0x70000000
 
-/*
- * 1 PGDIR_SIZE each for fixmap/pkmap, 2 PGDIR_SIZE gutter
- * See asm/highmem.h for details
- */
-#define VMALLOC_SIZE   (PAGE_OFFSET - VMALLOC_START - PGDIR_SIZE * 4)
-#define VMALLOC_END    (VMALLOC_START + VMALLOC_SIZE)
+#define TASK_SIZE      0x60000000
 
-#define USER_KERNEL_GUTTER    0x10000000
+#define VMALLOC_START  (PAGE_OFFSET - (CONFIG_ARC_KVADDR_SIZE << 20))
+
+/* 1 PGDIR_SIZE each for fixmap/pkmap, 2 PGDIR_SIZE gutter (see asm/highmem.h) */
+#define VMALLOC_SIZE   ((CONFIG_ARC_KVADDR_SIZE << 20) - PGDIR_SIZE * 4)
+
+#define VMALLOC_END    (VMALLOC_START + VMALLOC_SIZE)
 
-#define TASK_SIZE      (VMALLOC_START - USER_KERNEL_GUTTER)
+#define USER_KERNEL_GUTTER    (VMALLOC_START - TASK_SIZE)
 
 #define STACK_TOP       TASK_SIZE
 #define STACK_TOP_MAX   STACK_TOP