linux-kernel - [tip:perf/urgent] kprobes: Fix distinct type warning

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Message-ID: <tip-c2ef6661ce62e26a8c0978e521fab646128a144b@git.kernel.org>
Date:	Mon, 28 Dec 2009 10:08:18 GMT
From:	tip-bot for Heiko Carstens <heiko.carstens@...ibm.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, ananth@...ibm.com, hpa@...or.com,
	mingo@...hat.com, heiko.carstens@...ibm.com, tglx@...utronix.de,
	mhiramat@...hat.com, mingo@...e.hu
Subject: [tip:perf/urgent] kprobes: Fix distinct type warning

Commit-ID:  c2ef6661ce62e26a8c0978e521fab646128a144b
Gitweb:     http://git.kernel.org/tip/c2ef6661ce62e26a8c0978e521fab646128a144b
Author:     Heiko Carstens <heiko.carstens@...ibm.com>
AuthorDate: Mon, 21 Dec 2009 13:02:24 +0100
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Mon, 28 Dec 2009 10:25:31 +0100

kprobes: Fix distinct type warning

Every time I see this:

 kernel/kprobes.c: In function 'register_kretprobe':
 kernel/kprobes.c:1038: warning: comparison of distinct pointer types lacks a cast

I'm wondering if something changed in common code and we need to
do something for s390. Apparently that's not the case.
Let's get rid of this annoying warning.

Signed-off-by: Heiko Carstens <heiko.carstens@...ibm.com>
Acked-by: Ananth N Mavinakayanahalli <ananth@...ibm.com>
Cc: Masami Hiramatsu <mhiramat@...hat.com>
LKML-Reference: <20091221120224.GA4471@...ris.boeblingen.de.ibm.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 kernel/kprobes.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index e5342a3..b7df302 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -1035,7 +1035,7 @@ int __kprobes register_kretprobe(struct kretprobe *rp)
 	/* Pre-allocate memory for max kretprobe instances */
 	if (rp->maxactive <= 0) {
 #ifdef CONFIG_PREEMPT
-		rp->maxactive = max(10, 2 * num_possible_cpus());
+		rp->maxactive = max_t(unsigned int, 10, 2*num_possible_cpus());
 #else
 		rp->maxactive = num_possible_cpus();
 #endif
--
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