Use rlimit() helper instead of manually writing whole
chain from current task to rlim_cur
Signed-off-by: Krzysztof Opasiak <k.opasiak@xxxxxxxxxxx>
---
mm/mmap.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/mm/mmap.c b/mm/mmap.c
index a5e3dcd75e79..8d268b3983c9 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2177,7 +2177,6 @@ static int acct_stack_growth(struct vm_area_struct *vma,
unsigned long size, unsigned long grow)
{
struct mm_struct *mm = vma->vm_mm;
- struct rlimit *rlim = current->signal->rlim;
unsigned long new_start;
/* address space limit tests */
@@ -2185,7 +2184,7 @@ static int acct_stack_growth(struct vm_area_struct *vma,
return -ENOMEM;
/* Stack limit test */
- if (size > READ_ONCE(rlim[RLIMIT_STACK].rlim_cur))
+ if (size > rlimit(RLIMIT_STACK))
return -ENOMEM;
/* mlock limit tests */
@@ -2193,7 +2192,7 @@ static int acct_stack_growth(struct vm_area_struct *vma,
unsigned long locked;
unsigned long limit;
locked = mm->locked_vm + grow;
- limit = READ_ONCE(rlim[RLIMIT_MEMLOCK].rlim_cur);
+ limit = rlimit(RLIMIT_MEMLOCK);
limit >>= PAGE_SHIFT;
if (locked > limit && !capable(CAP_IPC_LOCK))
return -ENOMEM;
--
2.9.3
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