From: Thomas Gleixner <tglx@linutronix.de> mainline inclusion from mainline-5.1-rc1 commit 15917dc02841862840efcbfe1da0830f88078b5c category: feature bugzilla: https://bugzilla.openeuler.org/show_bug.cgi?id=27 CVE: NA --------------------------- The RTMUTEX tester was removed long ago but the PF bit stayed around. Remove it and free up the space. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Conflicts: include/linux/sched.h [ Patch 73ab1cb2de9e3("umh: add exit routine for UMH process") is not applied. ] Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com> Signed-off-by: yangerkun <yangerkun@huawei.com> Reviewed-by: Cheng Jian <cj.chengjian@huawei.com> Reviewed-by: zhangyi (F) <yi.zhang@huawei.com> Signed-off-by: Cheng Jian <cj.chengjian@huawei.com> --- include/linux/sched.h | 1 - 1 file changed, 1 deletion(-) diff --git a/include/linux/sched.h b/include/linux/sched.h index 9dc064305c13..67d4cfefc99d 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1421,7 +1421,6 @@ extern struct pid *cad_pid; #define PF_SWAPWRITE 0x00800000 /* Allowed to write to swap */ #define PF_NO_SETAFFINITY 0x04000000 /* Userland is not allowed to meddle with cpus_allowed */ #define PF_MCE_EARLY 0x08000000 /* Early kill for mce process policy */ -#define PF_MUTEX_TESTER 0x20000000 /* Thread belongs to the rt mutex tester */ #define PF_FREEZER_SKIP 0x40000000 /* Freezer should not count it as freezable */ #define PF_SUSPEND_TASK 0x80000000 /* This thread called freeze_processes() and should not be frozen */ -- 2.25.1