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-rw-r--r--include/asm-um/a.out.h4
-rw-r--r--include/asm-um/fixmap.h3
-rw-r--r--include/asm-um/processor-generic.h4
3 files changed, 3 insertions, 8 deletions
diff --git a/include/asm-um/a.out.h b/include/asm-um/a.out.h
index 9281dd8eb33..f42ff14577f 100644
--- a/include/asm-um/a.out.h
+++ b/include/asm-um/a.out.h
@@ -13,11 +13,9 @@
extern unsigned long stacksizelim;
-extern unsigned long host_task_size;
-
#define STACK_ROOM (stacksizelim)
-#define STACK_TOP task_size
+#define STACK_TOP (TASK_SIZE - 2 * PAGE_SIZE)
#define STACK_TOP_MAX STACK_TOP
diff --git a/include/asm-um/fixmap.h b/include/asm-um/fixmap.h
index 3d3e85d30ac..89a87c18b92 100644
--- a/include/asm-um/fixmap.h
+++ b/include/asm-um/fixmap.h
@@ -56,9 +56,8 @@ extern void __set_fixmap (enum fixed_addresses idx,
* the start of the fixmap, and leave one page empty
* at the top of mem..
*/
-extern unsigned long get_kmem_end(void);
-#define FIXADDR_TOP (get_kmem_end() - 0x2000)
+#define FIXADDR_TOP (CONFIG_TOP_ADDR - 2 * PAGE_SIZE)
#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT)
#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE)
diff --git a/include/asm-um/processor-generic.h b/include/asm-um/processor-generic.h
index 35ab6a292d6..ecf67069941 100644
--- a/include/asm-um/processor-generic.h
+++ b/include/asm-um/processor-generic.h
@@ -94,9 +94,7 @@ static inline void mm_copy_segments(struct mm_struct *from_mm,
/*
* User space process size: 3GB (default).
*/
-extern unsigned long task_size;
-
-#define TASK_SIZE (task_size)
+#define TASK_SIZE (CONFIG_TOP_ADDR & PGDIR_MASK)
/* This decides where the kernel will search for a free chunk of vm
* space during mmap's.