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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-03-08 20:21:04 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-03-08 20:21:04 +0000
commit988addf82e4c03739375279de73929580a2d4a6a (patch)
tree989ae1cd4e264bbad80c65f04480486246e7b9f3 /mm/mlock.c
parent004c1c7096659d352b83047a7593e91d8a30e3c5 (diff)
parent25cf84cf377c0aae5dbcf937ea89bc7893db5176 (diff)
Merge branch 'origin' into devel-stable
Conflicts: arch/arm/mach-mx2/devices.c arch/arm/mach-mx2/devices.h sound/soc/pxa/pxa-ssp.c
Diffstat (limited to 'mm/mlock.c')
-rw-r--r--mm/mlock.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/mm/mlock.c b/mm/mlock.c
index 2b8335a8940..8f4e2dfceec 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -25,7 +25,7 @@ int can_do_mlock(void)
{
if (capable(CAP_IPC_LOCK))
return 1;
- if (current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur != 0)
+ if (rlimit(RLIMIT_MEMLOCK) != 0)
return 1;
return 0;
}
@@ -487,7 +487,7 @@ SYSCALL_DEFINE2(mlock, unsigned long, start, size_t, len)
locked = len >> PAGE_SHIFT;
locked += current->mm->locked_vm;
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+ lock_limit = rlimit(RLIMIT_MEMLOCK);
lock_limit >>= PAGE_SHIFT;
/* check against resource limits */
@@ -550,7 +550,7 @@ SYSCALL_DEFINE1(mlockall, int, flags)
down_write(&current->mm->mmap_sem);
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+ lock_limit = rlimit(RLIMIT_MEMLOCK);
lock_limit >>= PAGE_SHIFT;
ret = -ENOMEM;
@@ -584,7 +584,7 @@ int user_shm_lock(size_t size, struct user_struct *user)
int allowed = 0;
locked = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+ lock_limit = rlimit(RLIMIT_MEMLOCK);
if (lock_limit == RLIM_INFINITY)
allowed = 1;
lock_limit >>= PAGE_SHIFT;
@@ -618,12 +618,12 @@ int account_locked_memory(struct mm_struct *mm, struct rlimit *rlim,
down_write(&mm->mmap_sem);
- lim = rlim[RLIMIT_AS].rlim_cur >> PAGE_SHIFT;
+ lim = ACCESS_ONCE(rlim[RLIMIT_AS].rlim_cur) >> PAGE_SHIFT;
vm = mm->total_vm + pgsz;
if (lim < vm)
goto out;
- lim = rlim[RLIMIT_MEMLOCK].rlim_cur >> PAGE_SHIFT;
+ lim = ACCESS_ONCE(rlim[RLIMIT_MEMLOCK].rlim_cur) >> PAGE_SHIFT;
vm = mm->locked_vm + pgsz;
if (lim < vm)
goto out;