linux-kernel - [PATCH x86/core/percpu 1/2] x86, percpu: fix minor bugs in setup

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Date:	Wed, 25 Feb 2009 11:09:51 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Yinghai Lu <yinghai@...nel.org>, rusty@...tcorp.com.au,
	tglx@...utronix.de, x86@...nel.org, linux-kernel@...r.kernel.org,
	hpa@...or.com, jeremy@...p.org, cpw@....com,
	nickpiggin@...oo.com.au, ink@...assic.park.msu.ru
Subject: [PATCH x86/core/percpu 1/2] x86, percpu: fix minor bugs in setup_percpu.c

Recent changes in setup_percpu.c made a now meaningless DBG()
statement fail to compile and introduced a
comparison-of-different-types warning.  Fix them.

Compile failure is reported by Ingo Molnar.

Signed-off-by: Tejun Heo <tj@...nel.org>
Reported-by: Ingo Molnar <mingo@...e.hu>
---
 arch/x86/kernel/setup_percpu.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 2d946a8..c29f301 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -270,7 +270,7 @@ static ssize_t __init setup_pcpu_embed(size_t static_size)
 
 	/* allocate and copy */
 	pcpue_unit_size = PFN_ALIGN(static_size + PERCPU_DYNAMIC_RESERVE);
-	pcpue_unit_size = max(pcpue_unit_size, PCPU_MIN_UNIT_SIZE);
+	pcpue_unit_size = max_t(size_t, pcpue_unit_size, PCPU_MIN_UNIT_SIZE);
 	pcpue_ptr = pcpu_alloc_bootmem(0, num_possible_cpus() * pcpue_unit_size,
 				       PAGE_SIZE);
 	if (!pcpue_ptr)
@@ -438,8 +438,6 @@ void __init setup_per_cpu_areas(void)
 		 */
 		if (cpu == boot_cpu_id)
 			switch_to_new_gdt(cpu);
-
-		DBG("PERCPU: cpu %4d %p\n", cpu, ptr);
 	}
 
 	/* indicate the early static arrays will soon be gone */
-- 
1.6.0.2

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