Re: [PATCH] mm: Fix Coding style

From: Joe Perches
Date: Fri Mar 07 2014 - 22:56:07 EST


On Sat, 2014-03-08 at 12:46 +0900, Choi Gi-yong wrote:
[]
> diff --git a/mm/percpu.c b/mm/percpu.c

Please run your suggested patches through checkpatch.

> @@ -715,7 +715,7 @@ static void __percpu *pcpu_alloc(size_t size, size_t align, bool reserved)
>
> if (unlikely(!size || size > PCPU_MIN_UNIT_SIZE || align > PAGE_SIZE)) {
> WARN(true, "illegal size (%zu) or align (%zu) for "
> - "percpu allocation\n", size, align);
> + "percpu allocation\n", size, align);

It'd be better to coalesce the format fragments

[]

> @@ -968,8 +968,8 @@ bool is_kernel_percpu_address(unsigned long addr)
> void *start = per_cpu_ptr(base, cpu);
>
> if ((void *)addr >= start && (void *)addr < start + static_size)
> - return true;
> - }
> + return true;
> + }

Not an improvement.
Why do you think it's better?

> @@ -1929,8 +1929,7 @@ void __init setup_per_cpu_areas(void)
> */
> void __init percpu_init_late(void)
> {
> - struct pcpu_chunk *target_chunks[] =
> - { pcpu_first_chunk, pcpu_reserved_chunk, NULL };
> + struct pcpu_chunk *target_chunks[] = { pcpu_first_chunk, pcpu_reserved_chunk, NULL };

This exceeds 80 columns.

This would be better as:

struct pcpu_chunk *target_chunks[] = {
pcpu_first_chunk, pcpu_reserved_chunk, NULL
};

And perhaps this should be static const

> struct pcpu_chunk *chunk;
> unsigned long flags;
> int i;



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