percpu: misc preparations for nommu support

[safe/jmp/linux-2.6] / mm / mremap.c

diff --git a/mm/mremap.c b/mm/mremap.c
index 8451908..cde56ee 100644 (file)
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -9,7 +9,6 @@
 
 #include <linux/mm.h>
 #include <linux/hugetlb.h>
-#include <linux/slab.h>
 #include <linux/shm.h>
 #include <linux/ksm.h>
 #include <linux/mman.h>
@@ -285,7 +284,7 @@ static struct vm_area_struct *vma_to_resize(unsigned long addr,
        if (vma->vm_flags & VM_LOCKED) {
                unsigned long locked, lock_limit;
                locked = mm->locked_vm << PAGE_SHIFT;
-               lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+               lock_limit = rlimit(RLIMIT_MEMLOCK);
                locked += new_len - old_len;
                if (locked > lock_limit && !capable(CAP_IPC_LOCK))
                        goto Eagain;
@@ -460,8 +459,11 @@ unsigned long do_mremap(unsigned long addr,
                if (vma_expandable(vma, new_len - old_len)) {
                        int pages = (new_len - old_len) >> PAGE_SHIFT;
 
-                       vma_adjust(vma, vma->vm_start,
-                               addr + new_len, vma->vm_pgoff, NULL);
+                       if (vma_adjust(vma, vma->vm_start, addr + new_len,
+                                      vma->vm_pgoff, NULL)) {
+                               ret = -ENOMEM;
+                               goto out;
+                       }
 
                        mm->total_vm += pages;
                        vm_stat_account(mm, vma->vm_flags, vma->vm_file, pages);