From: Izik Eidus <ieidus@redhat.com>
Date: Tue, 22 Sep 2009 00:02:07 +0000 (-0700)
Subject: ksm: change ksm nice level to be 5
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=339aa62469f65daf38a01d6c098b5f3ff8016653;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

ksm: change ksm nice level to be 5

ksm should try not to disturb other tasks as much as possible.

Signed-off-by: Izik Eidus <ieidus@redhat.com>
Cc: Chris Wright <chrisw@redhat.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Avi Kivity <avi@redhat.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/ksm.c b/mm/ksm.c
index 0113f15ff43b..cf072c54df32 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -1263,7 +1263,7 @@ static void ksm_do_scan(unsigned int scan_npages)
 
 static int ksm_scan_thread(void *nothing)
 {
-	set_user_nice(current, 0);
+	set_user_nice(current, 5);
 
 	while (!kthread_should_stop()) {
 		if (ksm_run & KSM_RUN_MERGE) {