workqueue: Remove unused WORK_NO_COLOR

WORK_NO_COLOR has no user now, just remove it.

Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 3d4edd0..2ebef6b 100644 (file)
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -51,19 +51,14 @@ enum {
        WORK_STRUCT_STATIC      = 0,
 #endif
 
-       /*
-        * The last color is no color used for works which don't
-        * participate in workqueue flushing.
-        */
-       WORK_NR_COLORS          = (1 << WORK_STRUCT_COLOR_BITS) - 1,
-       WORK_NO_COLOR           = WORK_NR_COLORS,
+       WORK_NR_COLORS          = (1 << WORK_STRUCT_COLOR_BITS),
 
        /* not bound to any CPU, prefer the local CPU */
        WORK_CPU_UNBOUND        = NR_CPUS,
 
        /*
         * Reserve 8 bits off of pwq pointer w/ debugobjects turned off.
-        * This makes pwqs aligned to 256 bytes and allows 15 workqueue
+        * This makes pwqs aligned to 256 bytes and allows 16 workqueue
         * flush colors.
         */
        WORK_STRUCT_FLAG_BITS   = WORK_STRUCT_COLOR_SHIFT +