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

[tip-bot for Heiko Carstens]

Commit-ID:  c2ef6661ce62e26a8c0978e521fab646128a144b
Gitweb:     http://git.kernel.org/tip/c2ef6661ce62e26a8c0978e521fab646128a144b
Author:     Heiko Carstens <heiko.carstens@xxxxxxxxxx>
AuthorDate: Mon, 21 Dec 2009 13:02:24 +0100
Committer:  Ingo Molnar <mingo@xxxxxxx>
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@xxxxxxxxxx>
Acked-by: Ananth N Mavinakayanahalli <ananth@xxxxxxxxxx>
Cc: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
LKML-Reference: <20091221120224.GA4471@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 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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