8 files changed, 15 insertions, 18 deletions

diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h
index 53099d4ee421..b561584d04a1 100644
--- a/arch/arm/include/asm/mmu.h
+++ b/arch/arm/include/asm/mmu.h
@@ -24,7 +24,6 @@ typedef struct {
  *  modified for 2.6 by Hyok S. Choi <hyok.choi@samsung.com>
  */
 typedef struct {
-        struct vm_list_struct   *vmlist;
         unsigned long           end_brk;
 } mm_context_t;
 
diff --git a/arch/blackfin/include/asm/mmu.h b/arch/blackfin/include/asm/mmu.h
index 757e43906ed4..dbfd686360e6 100644
--- a/arch/blackfin/include/asm/mmu.h
+++ b/arch/blackfin/include/asm/mmu.h
@@ -10,7 +10,6 @@ struct sram_list_struct {
 };
 
 typedef struct {
-        struct vm_list_struct *vmlist;
         unsigned long end_brk;
         unsigned long stack_start;
 
diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c
index d2d388536630..594e325b40e4 100644
--- a/arch/blackfin/kernel/ptrace.c
+++ b/arch/blackfin/kernel/ptrace.c
@@ -160,15 +160,15 @@ put_reg(struct task_struct *task, int regno, unsigned long data)
 static inline int is_user_addr_valid(struct task_struct *child,
                                      unsigned long start, unsigned long len)
 {
-        struct vm_list_struct *vml;
+        struct vm_area_struct *vma;
         struct sram_list_struct *sraml;
 
         /* overflow */
         if (start + len < start)
                 return -EIO;
 
-        for (vml = child->mm->context.vmlist; vml; vml = vml->next)
-                if (start >= vml->vma->vm_start && start + len < vml->vma->vm_end)
+        vma = find_vma(child->mm, start);
+        if (vma && start >= vma->vm_start && start + len <= vma->vm_end)
                         return 0;
 
         for (sraml = child->mm->context.sram_list; sraml; sraml = sraml->next)
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 17d8e4172896..5b0667da8d05 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -32,6 +32,7 @@
 #include <linux/module.h>
 #include <linux/kallsyms.h>
 #include <linux/fs.h>
+#include <linux/rbtree.h>
 #include <asm/traps.h>
 #include <asm/cacheflush.h>
 #include <asm/cplb.h>
@@ -83,6 +84,7 @@ static void decode_address(char *buf, unsigned long address)
         struct mm_struct *mm;
         unsigned long flags, offset;
         unsigned char in_atomic = (bfin_read_IPEND() & 0x10) || in_atomic();
+        struct rb_node *n;
 
 #ifdef CONFIG_KALLSYMS
         unsigned long symsize;
@@ -128,9 +130,10 @@ static void decode_address(char *buf, unsigned long address)
                 if (!mm)
                         continue;
 
-                vml = mm->context.vmlist;
-                while (vml) {
-                        struct vm_area_struct *vma = vml->vma;
+                for (n = rb_first(&mm->mm_rb); n; n = rb_next(n)) {
+                        struct vm_area_struct *vma;
+
+                        vma = rb_entry(n, struct vm_area_struct, vm_rb);
 
                         if (address >= vma->vm_start && address < vma->vm_end) {
                                 char _tmpbuf[256];
@@ -176,8 +179,6 @@ static void decode_address(char *buf, unsigned long address)
 
                                 goto done;
                         }
-
-                        vml = vml->next;
                 }
                 if (!in_atomic)
                         mmput(mm);
diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c
index 709e9bdc6126..5e7d401d21e7 100644
--- a/arch/frv/kernel/ptrace.c
+++ b/arch/frv/kernel/ptrace.c
@@ -69,7 +69,8 @@ static inline int put_reg(struct task_struct *task, int regno,
 }
 
 /*
- * check that an address falls within the bounds of the target process's memory mappings
+ * check that an address falls within the bounds of the target process's memory
+ * mappings
  */
 static inline int is_user_addr_valid(struct task_struct *child,
                                      unsigned long start, unsigned long len)
@@ -79,11 +80,11 @@ static inline int is_user_addr_valid(struct task_struct *child,
                 return -EIO;
         return 0;
 #else
-        struct vm_list_struct *vml;
+        struct vm_area_struct *vma;
 
-        for (vml = child->mm->context.vmlist; vml; vml = vml->next)
-                if (start >= vml->vma->vm_start && start + len <= vml->vma->vm_end)
-                        return 0;
+        vma = find_vma(child->mm, start);
+        if (vma && start >= vma->vm_start && start + len <= vma->vm_end)
+                return 0;
 
         return -EIO;
 #endif
diff --git a/arch/h8300/include/asm/mmu.h b/arch/h8300/include/asm/mmu.h
index 2ce06ea46104..31309969df70 100644
--- a/arch/h8300/include/asm/mmu.h
+++ b/arch/h8300/include/asm/mmu.h
@@ -4,7 +4,6 @@
 /* Copyright (C) 2002, David McCullough <davidm@snapgear.com> */
 
 typedef struct {
-        struct vm_list_struct   *vmlist;
         unsigned long           end_brk;
 } mm_context_t;
 
diff --git a/arch/m68knommu/include/asm/mmu.h b/arch/m68knommu/include/asm/mmu.h
index 5fa6b68353ba..e2da1e6f09fe 100644
--- a/arch/m68knommu/include/asm/mmu.h
+++ b/arch/m68knommu/include/asm/mmu.h
@@ -4,7 +4,6 @@
 /* Copyright (C) 2002, David McCullough <davidm@snapgear.com> */
 
 typedef struct {
-        struct vm_list_struct   *vmlist;
         unsigned long           end_brk;
 } mm_context_t;
 
diff --git a/arch/sh/include/asm/mmu.h b/arch/sh/include/asm/mmu.h
index fdcb93bc6d11..6c43625bb1a5 100644
--- a/arch/sh/include/asm/mmu.h
+++ b/arch/sh/include/asm/mmu.h
@@ -9,7 +9,6 @@ typedef struct {
         mm_context_id_t         id;
         void                    *vdso;
 #else
-        struct vm_list_struct   *vmlist;
         unsigned long           end_brk;
 #endif
 #ifdef CONFIG_BINFMT_ELF_FDPIC