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Commit 637e3a27 authored by Xiao Guangrong's avatar Xiao Guangrong Committed by Linus Torvalds
Browse files

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: default avatarXiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 65b3c07b

mm/huge_memory.c

+2 −5
Original line number Diff line number Diff line
@@ -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;

}