Re: [PATCH] kernel: Fix style problems in fork.c

[David Daney]

On 03/31/2011 02:48 PM, Aakash Goenka wrote:
>   Fixes most style errors and warnings.

Whatever, but there are some real problems with this that I see.


>   Signed-off-by: Aakash Goenka<aakash.goenka@xxxxxxxxx>

Should there really be spaces before that SOB?

> ---
>   kernel/fork.c |   96 ++++++++++++++++++++++++++++++++++-----------------------
>   1 files changed, 57 insertions(+), 39 deletions(-)
[...]
> -	/* One for us, one for whoever does the "release_task()" (usually parent) */
> -	atomic_set(&tsk->usage,2);
> +	/* One for us, one for whoever does the
> +	 * "release_task()" (usually parent)
> +	 */

Except that change doesn't even follow the guidelines.

> +	atomic_set(&tsk->usage, 2);
>   	atomic_set(&tsk->fs_excl, 0);
>   #ifdef CONFIG_BLK_DEV_IO_TRACE
>   	tsk->btrace_seq = 0;
> @@ -355,7 +357,8 @@ static int dup_mmap(struct mm_struct *mm, struct
> mm_struct *oldmm)
>   		}
>   		charge = 0;
>   		if (mpnt->vm_flags&  VM_ACCOUNT) {
> -			unsigned int len = (mpnt->vm_end - mpnt->vm_start)>>  PAGE_SHIFT;
> +			unsigned int len =
> +			    (mpnt->vm_end - mpnt->vm_start)>>  PAGE_SHIFT;

You have to ask yourself, Is this one really a change for the better?

[...]
>   	/* ok, now we should be set up.. */
> -	p->exit_signal = (clone_flags&  CLONE_THREAD) ? -1 : (clone_flags&  CSIGNAL);
> +	p->exit_signal = (clone_flags&  CLONE_THREAD) ?
> +			  -1 : (clone_flags&  CSIGNAL);

Same thing.

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