linux-kernel - Re: [PATCH 0/2] (Was: perf_event_mmap(vma) && !vma->vm

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Message-ID: <20131017152717.GA15308@redhat.com>
Date:	Thu, 17 Oct 2013 17:27:17 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] (Was: perf_event_mmap(vma) && !vma->vm_mm)

On 10/17, Oleg Nesterov wrote:
>
> 	- we do not really need "len", we can simply do
>
> 		size = strlen(name) + 1;
> 		while (size % sizeof(u64))
> 			name[size++] = '\0';
>
> 	  although I won't argue if you dislike "size & 7" in while().

Or, perhaps,

	while (!IS_ALIGNED(size, sizeof(u64)))
		name[size++] = '\0';

to make it self-explanatory.

Oleg.

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