Messages in this thread Patch in this message | | | Date | Mon, 13 Aug 2012 19:14:26 +0800 | From | Xiao Guangrong <> | Subject | [PATCH 04/12] thp: remove unnecessary khugepaged_thread check |
| |
Now, khugepaged creation and cancel are completely serial under the protection of khugepaged_mutex, it is impossible that many khugepaged entities are running
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> --- mm/huge_memory.c | 5 +---- 1 files changed, 1 insertions(+), 4 deletions(-)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 3715c52..b218700 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2348,11 +2348,8 @@ static int khugepaged(void *none) set_freezable(); set_user_nice(current, 19);
- while (!kthread_should_stop()) { - VM_BUG_ON(khugepaged_thread != current); + while (!kthread_should_stop()) khugepaged_loop(); - VM_BUG_ON(khugepaged_thread != current); - }
spin_lock(&khugepaged_mm_lock); mm_slot = khugepaged_scan.mm_slot; -- 1.7.7.6
| |