patch-1.3.24 linux/mm/mmap.c
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- Lines: 54
- Date:
Tue Sep 5 10:13:32 1995
- Orig file:
v1.3.23/linux/mm/mmap.c
- Orig date:
Tue Jun 27 14:11:47 1995
diff -u --recursive --new-file v1.3.23/linux/mm/mmap.c linux/mm/mmap.c
@@ -77,8 +77,10 @@
default:
return -EINVAL;
}
- if ((flags & MAP_DENYWRITE) && (file->f_inode->i_wcount > 0))
- return -ETXTBSY;
+ if (flags & MAP_DENYWRITE) {
+ if (file->f_inode->i_wcount > 0)
+ return -ETXTBSY;
+ }
} else if ((flags & MAP_TYPE) != MAP_PRIVATE)
return -EINVAL;
@@ -111,7 +113,7 @@
if (!vma)
return -ENOMEM;
- vma->vm_task = current;
+ vma->vm_mm = current->mm;
vma->vm_start = addr;
vma->vm_end = addr + len;
vma->vm_flags = prot & (VM_READ | VM_WRITE | VM_EXEC);
@@ -772,23 +774,23 @@
}
/* Build the AVL tree corresponding to the VMA list. */
-void build_mmap_avl(struct task_struct * task)
+void build_mmap_avl(struct mm_struct * mm)
{
struct vm_area_struct * vma;
- task->mm->mmap_avl = NULL;
- for (vma = task->mm->mmap; vma; vma = vma->vm_next)
- avl_insert(vma, &task->mm->mmap_avl);
+ mm->mmap_avl = NULL;
+ for (vma = mm->mmap; vma; vma = vma->vm_next)
+ avl_insert(vma, &mm->mmap_avl);
}
/* Release all mmaps. */
-void exit_mmap(struct task_struct * task)
+void exit_mmap(struct mm_struct * mm)
{
struct vm_area_struct * mpnt;
- mpnt = task->mm->mmap;
- task->mm->mmap = NULL;
- task->mm->mmap_avl = NULL;
+ mpnt = mm->mmap;
+ mm->mmap = NULL;
+ mm->mmap_avl = NULL;
while (mpnt) {
struct vm_area_struct * next = mpnt->vm_next;
if (mpnt->vm_ops && mpnt->vm_ops->close)
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