From 09478d838782514fa89882f8e9f108602ddf480a Mon Sep 17 00:00:00 2001
From: Richard Weinberger <richard@nod.at>
Date: Mon, 25 Jul 2011 17:12:54 -0700
Subject: [PATCH] --- yaml --- r: 258991 b: refs/heads/master c:
 fc9a00187ba1300a0baae8e613cc62598e1a7de7 h: refs/heads/master i:   258989:
 d4e7f9844acfce334a2c3f5f737d5d39256521bc   258987:
 8eca5d4878a9a715417aa799a41822f2260992d3   258983:
 f5d0b0ffa7d5f0bdc700c8af0103f843ce897f04   258975:
 63a72844a5d51e64d2a867718be88dfc2baa3b92 v: v3

---
 [refs]                             |  2 +-
 trunk/arch/um/sys-x86_64/Makefile  |  2 +-
 trunk/arch/um/sys-x86_64/asm/elf.h | 10 ++++++++++
 trunk/arch/um/sys-x86_64/mem.c     | 26 ++++++++++++++++++++++++++
 4 files changed, 38 insertions(+), 2 deletions(-)
 create mode 100644 trunk/arch/um/sys-x86_64/mem.c

diff --git a/[refs] b/[refs]
index 4af740fa2807..831cb7934204 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 548f0a4e02f6fa33278e77a2a6477cdeb512317f
+refs/heads/master: fc9a00187ba1300a0baae8e613cc62598e1a7de7
diff --git a/trunk/arch/um/sys-x86_64/Makefile b/trunk/arch/um/sys-x86_64/Makefile
index 4f9563784d61..bf2fe83b46b1 100644
--- a/trunk/arch/um/sys-x86_64/Makefile
+++ b/trunk/arch/um/sys-x86_64/Makefile
@@ -4,7 +4,7 @@
 # Licensed under the GPL
 #
 
-obj-y = bug.o bugs.o delay.o fault.o ldt.o ptrace.o ptrace_user.o \
+obj-y = bug.o bugs.o delay.o fault.o ldt.o ptrace.o ptrace_user.o mem.o \
 	setjmp.o signal.o stub.o stub_segv.o syscalls.o syscall_table.o \
 	sysrq.o ksyms.o tls.o
 
diff --git a/trunk/arch/um/sys-x86_64/asm/elf.h b/trunk/arch/um/sys-x86_64/asm/elf.h
index d6d5af376251..11a2bfb38859 100644
--- a/trunk/arch/um/sys-x86_64/asm/elf.h
+++ b/trunk/arch/um/sys-x86_64/asm/elf.h
@@ -119,4 +119,14 @@ extern long elf_aux_hwcap;
 
 #define SET_PERSONALITY(ex) do ; while(0)
 
+#define __HAVE_ARCH_GATE_AREA 1
+#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
+struct linux_binprm;
+extern int arch_setup_additional_pages(struct linux_binprm *bprm,
+	int uses_interp);
+
+extern unsigned long um_vdso_addr;
+#define AT_SYSINFO_EHDR 33
+#define ARCH_DLINFO	NEW_AUX_ENT(AT_SYSINFO_EHDR, um_vdso_addr)
+
 #endif
diff --git a/trunk/arch/um/sys-x86_64/mem.c b/trunk/arch/um/sys-x86_64/mem.c
new file mode 100644
index 000000000000..546518727a73
--- /dev/null
+++ b/trunk/arch/um/sys-x86_64/mem.c
@@ -0,0 +1,26 @@
+#include "linux/mm.h"
+#include "asm/page.h"
+#include "asm/mman.h"
+
+const char *arch_vma_name(struct vm_area_struct *vma)
+{
+	if (vma->vm_mm && vma->vm_start == um_vdso_addr)
+		return "[vdso]";
+
+	return NULL;
+}
+
+struct vm_area_struct *get_gate_vma(struct mm_struct *mm)
+{
+	return NULL;
+}
+
+int in_gate_area(struct mm_struct *mm, unsigned long addr)
+{
+	return 0;
+}
+
+int in_gate_area_no_mm(unsigned long addr)
+{
+	return 0;
+}