From b7231789b0224e73af4efc7973f8bcf17fc16edd Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Date: Mon, 8 Oct 2012 16:29:54 -0700
Subject: thp: remove khugepaged_loop

Merge khugepaged_loop into khugepaged

Signed-off-by: Xiao 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: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/huge_memory.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index f0e999379dd7..77b470b7e3c6 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2339,14 +2339,6 @@ static void khugepaged_wait_work(void)
 		wait_event_freezable(khugepaged_wait, khugepaged_wait_event());
 }
 
-static void khugepaged_loop(void)
-{
-	while (likely(khugepaged_enabled())) {
-		khugepaged_do_scan();
-		khugepaged_wait_work();
-	}
-}
-
 static int khugepaged(void *none)
 {
 	struct mm_slot *mm_slot;
@@ -2354,8 +2346,10 @@ static int khugepaged(void *none)
 	set_freezable();
 	set_user_nice(current, 19);
 
-	while (!kthread_should_stop())
-		khugepaged_loop();
+	while (!kthread_should_stop()) {
+		khugepaged_do_scan();
+		khugepaged_wait_work();
+	}
 
 	spin_lock(&khugepaged_mm_lock);
 	mm_slot = khugepaged_scan.mm_slot;
-- 
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