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vserver 1.9.3
[linux-2.6.git]
/
fs
/
proc
/
task_nommu.c
diff --git
a/fs/proc/task_nommu.c
b/fs/proc/task_nommu.c
index
126db97
..
275dedc
100644
(file)
--- a/
fs/proc/task_nommu.c
+++ b/
fs/proc/task_nommu.c
@@
-68,11
+68,12
@@
unsigned long task_vsize(struct mm_struct *mm)
struct mm_tblock_struct *tbp;
unsigned long vsize = 0;
struct mm_tblock_struct *tbp;
unsigned long vsize = 0;
+ down_read(&mm->mmap_sem);
for (tbp = &mm->context.tblock; tbp; tbp = tbp->next) {
if (tbp->rblock)
vsize += kobjsize(tbp->rblock->kblock);
}
for (tbp = &mm->context.tblock; tbp; tbp = tbp->next) {
if (tbp->rblock)
vsize += kobjsize(tbp->rblock->kblock);
}
-
+ up_read(&mm->mmap_sem);
return vsize;
}
return vsize;
}
@@
-81,7
+82,8
@@
int task_statm(struct mm_struct *mm, int *shared, int *text,
{
struct mm_tblock_struct *tbp;
int size = kobjsize(mm);
{
struct mm_tblock_struct *tbp;
int size = kobjsize(mm);
-
+
+ down_read(&mm->mmap_sem);
for (tbp = &mm->context.tblock; tbp; tbp = tbp->next) {
if (tbp->next)
size += kobjsize(tbp->next);
for (tbp = &mm->context.tblock; tbp; tbp = tbp->next) {
if (tbp->next)
size += kobjsize(tbp->next);
@@
-93,7
+95,7
@@
int task_statm(struct mm_struct *mm, int *shared, int *text,
size += (*text = mm->end_code - mm->start_code);
size += (*data = mm->start_stack - mm->start_data);
size += (*text = mm->end_code - mm->start_code);
size += (*data = mm->start_stack - mm->start_data);
-
+ up_read(&mm->mmap_sem);
*resident = size;
return size;
}
*resident = size;
return size;
}