From: "Andi Kleen" <ak@suse.de>
Remove 4/4 support code.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/arch/i386/oprofile/backtrace.c | 13 -------------
1 files changed, 13 deletions(-)
diff -puN arch/i386/oprofile/backtrace.c~x86_64-cleanups-in-new-backtrace-code-in-oprofile arch/i386/oprofile/backtrace.c
--- 25/arch/i386/oprofile/backtrace.c~x86_64-cleanups-in-new-backtrace-code-in-oprofile 2005-03-24 18:46:03.000000000 -0800
+++ 25-akpm/arch/i386/oprofile/backtrace.c 2005-03-24 19:23:37.000000000 -0800
@@ -18,7 +18,6 @@ struct frame_head {
unsigned long ret;
} __attribute__((packed));
-
static struct frame_head *
dump_backtrace(struct frame_head * head)
{
@@ -32,16 +31,6 @@ dump_backtrace(struct frame_head * head)
return head->ebp;
}
-
-#ifdef CONFIG_X86_4G
-/* With a 4G kernel/user split, user pages are not directly
- * accessible from the kernel, so don't try
- */
-static int pages_present(struct frame_head * head)
-{
- return 0;
-}
-#else
/* check that the page(s) containing the frame head are present */
static int pages_present(struct frame_head * head)
{
@@ -53,8 +42,6 @@ static int pages_present(struct frame_he
return check_user_page_readable(mm, (unsigned long)(head + 1));
}
-#endif /* CONFIG_X86_4G */
-
/*
* | | /\ Higher addresses
_