diff options
| author | Krzysztof Opasiak <k.opasiak@samsung.com> | 2017-07-10 15:50:03 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-10 16:32:33 -0700 |
| commit | 24c79d8e0a46bbd010ca9e0dc988a23981bcd423 (patch) | |
| tree | 230a57e526435203dba4593160e5a56b5126746d /mm | |
| parent | b17c070fb624cf10162cf92ea5e1ec25cd8ac176 (diff) | |
| download | lwn-24c79d8e0a46bbd010ca9e0dc988a23981bcd423.tar.gz lwn-24c79d8e0a46bbd010ca9e0dc988a23981bcd423.zip | |
mm: use dedicated helper to access rlimit value
Use rlimit() helper instead of manually writing whole chain from current
task to rlim_cur.
Link: http://lkml.kernel.org/r/20170705172811.8027-1-k.opasiak@samsung.com
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/mmap.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 49c56b811b03..7fa6759322d1 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; |