diff options
Diffstat (limited to 'kernel/sys.c')
| -rw-r--r-- | kernel/sys.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index 72cdb16e2636..339fee3eff6a 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -2695,16 +2695,10 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3, if (mmap_write_lock_killable(me->mm)) return -EINTR; - if (arg2) { + if (arg2) error = ksm_enable_merge_any(me->mm); - } else { - /* - * TODO: we might want disable KSM on all VMAs and - * trigger unsharing to completely disable KSM. - */ - clear_bit(MMF_VM_MERGE_ANY, &me->mm->flags); - error = 0; - } + else + error = ksm_disable_merge_any(me->mm); mmap_write_unlock(me->mm); break; case PR_GET_MEMORY_MERGE: |