Re: [patch 4/9] Guest page hinting: volatile swap cache.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, 2006-09-01 at 13:10 +0200, Martin Schwidefsky wrote:
> +#if defined(CONFIG_PAGE_STATES)
> +
> +struct page * find_get_page_nodiscard(struct address_space *mapping,
> +				      unsigned long offset)
> +{
> +	struct page *page;
> +
> +	read_lock_irq(&mapping->tree_lock);
> +	page = radix_tree_lookup(&mapping->page_tree, offset);
> +	if (page)
> +		page_cache_get(page);
> +	read_unlock_irq(&mapping->tree_lock);
> +	return page;
> +}
> +
> +EXPORT_SYMBOL(find_get_page_nodiscard);
> +
> +#endif

Is it worth having another full copy of find_get_page()?  What about a
"nodiscard" argument?

-- Dave

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux