From b73781c866f671ff5a84d7c840510b43e8731d13 Mon Sep 17 00:00:00 2001
From: Jeff Dike <jdike@addtoit.com>
Date: Tue, 18 Apr 2006 22:20:24 -0700
Subject: [PATCH] uml: MADV_REMOVE fixes

MADV_REMOVE fixes - change the test mapping to be MAP_SHARED instead of
MAP_PRIVATE, as MADV_REMOVE on MAP_PRIVATE maps won't work.  Also, use
the kernel's definition of MADV_REMOVE instead of hardcoding it if there
isn't a libc definition.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 arch/um/include/sysdep-i386/kernel-offsets.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'arch/um/include/sysdep-i386')

diff --git a/arch/um/include/sysdep-i386/kernel-offsets.h b/arch/um/include/sysdep-i386/kernel-offsets.h
index 82f96c5..2c13de3 100644
--- a/arch/um/include/sysdep-i386/kernel-offsets.h
+++ b/arch/um/include/sysdep-i386/kernel-offsets.h
@@ -1,6 +1,7 @@
 #include <linux/stddef.h>
 #include <linux/sched.h>
 #include <linux/elf.h>
+#include <asm/mman.h>
 
 #define DEFINE(sym, val) \
 	asm volatile("\n->" #sym " %0 " #val : : "i" (val))
@@ -16,6 +17,7 @@
 void foo(void)
 {
 	OFFSET(HOST_TASK_DEBUGREGS, task_struct, thread.arch.debugregs);
+	DEFINE(KERNEL_MADV_REMOVE, MADV_REMOVE);
 #ifdef CONFIG_MODE_TT
 	OFFSET(HOST_TASK_EXTERN_PID, task_struct, thread.mode.tt.extern_pid);
 #endif
-- 
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