linux-kernel - Re: [PATCH v18 20/80] c/r: basic infrastructure for checkpoint/restart

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Message-Id: <1253808221.20648.196.camel@desktop>
Date:	Thu, 24 Sep 2009 09:03:41 -0700
From:	Daniel Walker <dwalker@...o99.com>
To:	Oren Laadan <orenl@...rato.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...l.org>,
	containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-api@...r.kernel.org, Serge Hallyn <serue@...ibm.com>,
	Ingo Molnar <mingo@...e.hu>,
	Pavel Emelyanov <xemul@...nvz.org>,
	Oren Laadan <orenl@...columbia.edu>
Subject: Re: [PATCH v18 20/80] c/r: basic infrastructure for
 checkpoint/restart

On Wed, 2009-09-23 at 19:51 -0400, Oren Laadan wrote:
> /
> +static char *__ckpt_generate_fmt(struct ckpt_ctx *ctx, char *prefmt, char *fmt)
> +{
> +	static int warn_notask = 0;
> +	static int warn_prefmt = 0;

Shouldn't need the initializer since it's static..


> +/* read the checkpoint header */
> +static int restore_read_header(struct ckpt_ctx *ctx)
> +{
> +	struct ckpt_hdr_header *h;
> +	struct new_utsname *uts = NULL;
> +	int ret;
> +
> +	h = ckpt_read_obj_type(ctx, sizeof(*h), CKPT_HDR_HEADER);
> +	if (IS_ERR(h))
> +		return PTR_ERR(h);
> +
> +	ret = -EINVAL;
> +	if (h->magic != CHECKPOINT_MAGIC_HEAD ||
> +	    h->rev != CHECKPOINT_VERSION ||
> +	    h->major != ((LINUX_VERSION_CODE >> 16) & 0xff) ||
> +	    h->minor != ((LINUX_VERSION_CODE >> 8) & 0xff) ||
> +	    h->patch != ((LINUX_VERSION_CODE) & 0xff))
> +		goto out;

Do you still need this LINUX_VERSION_CODE stuff ? I would think once
it's in mainline you wouldn't need to track that..

These both got flagged by checkpatch .. Your series is marked in a
couple other places with checkpatch errors .. If you haven't already
reviewed those errors, it would be a good idea to review them.

Daniel


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