kmemleak: Renice the scanning thread to +10

This is a long-running thread but not high-priority. So it makes sense
to renice it to +10.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index e766e1d..6006553 100644 (file)
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -1039,6 +1039,7 @@ static int kmemleak_scan_thread(void *arg)
        static int first_run = 1;
 
        pr_info("Automatic memory scanning thread started\n");
+       set_user_nice(current, 10);
 
        /*
         * Wait before the first scan to allow the system to fully initialize.