Re: [PATCH] proc: pagemap: Hold mmap_sem during page walk

[Matt Mackall]

On Fri, Apr 02, 2010 at 09:11:29AM +0900, KAMEZAWA Hiroyuki wrote:

>  	int ret = -ESRCH;
...
> +	pm.len = PM_ENTRY_BYTES * (PAGEMAP_WALK_SIZE >> PAGE_SHIFT);
> +	pm.buffer = kmalloc(pm.len, GFP_TEMPORARY);
> +	if (!pm.buffer)
>  		goto out_mm;
...
>  out_mm:
>  	mmput(mm);

Looks like this gets the wrong return code?

-- 
Mathematics is the supreme nostalgia of our time.
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