The patch titled
Subject: thp: remove unnecessary check in start_khugepaged
has been removed from the -mm tree. Its filename was
thp-remove-unnecessary-check-in-start_khugepaged.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxxxxxx>
Subject: thp: remove unnecessary check in start_khugepaged
The check is unnecessary since if mm_slot_cache or mm_slots_hash
initialize failed, no sysfs interface will be created
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 | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff -puN mm/huge_memory.c~thp-remove-unnecessary-check-in-start_khugepaged mm/huge_memory.c
--- a/mm/huge_memory.c~thp-remove-unnecessary-check-in-start_khugepaged
+++ a/mm/huge_memory.c
@@ -140,10 +140,7 @@ static int start_khugepaged(void)
int err = 0;
if (khugepaged_enabled()) {
int wakeup;
- if (unlikely(!mm_slot_cache || !mm_slots_hash)) {
- err = -ENOMEM;
- goto out;
- }
+
mutex_lock(&khugepaged_mutex);
if (!khugepaged_thread)
khugepaged_thread = kthread_run(khugepaged, NULL,
@@ -163,7 +160,7 @@ static int start_khugepaged(void)
} else
/* wakeup to exit */
wake_up_interruptible(&khugepaged_wait);
-out:
+
return err;
}
_
Patches currently in -mm which might be from xiaoguangrong@xxxxxxxxxxxxxxxxxx are
origin.patch
linux-next.patch
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