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BUG_ON() Conversion in mm/mmap.c

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this changes if() BUG(); constructs to BUG_ON() which is
cleaner, contains unlikely() and can better optimized away.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
This commit is contained in:
Eric Sesterhenn 2006-04-01 01:23:29 +02:00 committed by Adrian Bunk
parent 8abd8e298e
commit 46a350ef98
1 changed files with 3 additions and 6 deletions
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9
mm/mmap.c
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@ -294,8 +294,7 @@ void validate_mm(struct mm_struct *mm)
i = browse_rb(&mm->mm_rb); i = browse_rb(&mm->mm_rb);
if (i != mm->map_count) if (i != mm->map_count)
printk("map_count %d rb %d\n", mm->map_count, i), bug = 1; printk("map_count %d rb %d\n", mm->map_count, i), bug = 1;
if (bug) BUG_ON(bug);
BUG();
} }
#else #else
#define validate_mm(mm) do { } while (0) #define validate_mm(mm) do { } while (0)
@ -432,8 +431,7 @@ __insert_vm_struct(struct mm_struct * mm, struct vm_area_struct * vma)
struct rb_node ** rb_link, * rb_parent; struct rb_node ** rb_link, * rb_parent;
__vma = find_vma_prepare(mm, vma->vm_start,&prev, &rb_link, &rb_parent); __vma = find_vma_prepare(mm, vma->vm_start,&prev, &rb_link, &rb_parent);
if (__vma && __vma->vm_start < vma->vm_end) BUG_ON(__vma && __vma->vm_start < vma->vm_end);
BUG();
__vma_link(mm, vma, prev, rb_link, rb_parent); __vma_link(mm, vma, prev, rb_link, rb_parent);
mm->map_count++; mm->map_count++;
} }
@ -813,8 +811,7 @@ struct anon_vma *find_mergeable_anon_vma(struct vm_area_struct *vma)
* (e.g. stash info in next's anon_vma_node when assigning * (e.g. stash info in next's anon_vma_node when assigning
* an anon_vma, or when trying vma_merge). Another time. * an anon_vma, or when trying vma_merge). Another time.
*/ */
if (find_vma_prev(vma->vm_mm, vma->vm_start, &near) != vma) BUG_ON(find_vma_prev(vma->vm_mm, vma->vm_start, &near) != vma);
BUG();
if (!near) if (!near)
goto none; goto none;