From: Chunwei Chen <tuxoko@gmail.com>
Date: Wed, 7 May 2014 17:57:19 +0000 (-0700)
Subject: Linux 3.15 compat: NICE_TO_PRIO and PRIO_TO_NICE
X-Git-Tag: zfs-0.8.0-rc1~152^2~229
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1538f4b6e3cc08c334f58b0025aa7de1d6c97e1a;p=zfs

Linux 3.15 compat: NICE_TO_PRIO and PRIO_TO_NICE

These macro's were exposed to make them available to other
parts of the kernel and modules.

References:
  torvalds/linux@6b6350f

Signed-off-by: Chunwei Chen <tuxoko@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #355
---

diff --git a/include/sys/sysmacros.h b/include/sys/sysmacros.h
index 1ac49b4f0..e73c7fd1e 100644
--- a/include/sys/sysmacros.h
+++ b/include/sys/sysmacros.h
@@ -95,8 +95,12 @@
 #define minclsyspri			(MAX_RT_PRIO)
 #define maxclsyspri			(MAX_PRIO-1)
 
+#ifndef NICE_TO_PRIO
 #define NICE_TO_PRIO(nice)		(MAX_RT_PRIO + (nice) + 20)
+#endif
+#ifndef PRIO_TO_NICE
 #define PRIO_TO_NICE(prio)		((prio) - MAX_RT_PRIO - 20)
+#endif
 
 /* Missing macros
  */