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@kernel.org>
Reported-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 2d946a8..c29f301 100644 (file)
--- 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 */