Merge git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-nommu

* git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-nommu:
  NOMMU: Support XIP on initramfs
  NOMMU: Teach kobjsize() about VMA regions.
  FLAT: Don't attempt to expand the userspace stack to fill the space allocated
  FDPIC: Don't attempt to expand the userspace stack to fill the space allocated
  NOMMU: Improve procfs output using per-MM VMAs
  NOMMU: Make mmap allocation page trimming behaviour configurable.
  NOMMU: Make VMAs per MM as for MMU-mode linux
  NOMMU: Delete askedalloc and realalloc variables
  NOMMU: Rename ARM's struct vm_region
  NOMMU: Fix cleanup handling in ramfs_nommu_get_umapped_area()

2 files changed, 9 insertions, 8 deletions

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);