The patch titled
Subject: thp: remove unnecessary khugepaged_thread check
has been removed from the -mm tree. Its filename was
thp-remove-unnecessary-khugepaged_thread-check.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/huge_memory.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff -puN mm/huge_memory.c~thp-remove-unnecessary-khugepaged_thread-check mm/huge_memory.c
--- a/mm/huge_memory.c~thp-remove-unnecessary-khugepaged_thread-check
+++ a/mm/huge_memory.c
@@ -2333,11 +2333,8 @@ 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;
_
Patches currently in -mm which might be from xiaoguangrong@xxxxxxxxxxxxxxxxxx are
origin.patch
linux-next.patch
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