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From: Pekka Enberg <penberg@gmail.com>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Paul McKenney <paul.mckenney@us.ibm.com>,
	Dipankar Sarma <dipankar@in.ibm.com>, Ingo Molnar <mingo@elte.hu>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [patch 6/7] mm: lockless pagecache
Date: Thu, 11 Aug 2005 16:58:54 +0300	[thread overview]
Message-ID: <84144f0205081106586eb0d5cf@mail.gmail.com> (raw)
In-Reply-To: <42FB4454.2010601@yahoo.com.au>

Hi Nick,

On 8/11/05, Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> +unsigned find_get_pages_nonatomic(struct address_space *mapping, pgoff_t start,
> +                           unsigned int nr_pages, struct page **pages)
> +{
> +       unsigned int i;
> +       unsigned int ret;

Rename to nr_pages?

> +       unsigned int ret2;

Rename to ret?

> +
> +       /*
> +        * We do some unsightly casting to use the array first for storing
> +        * pointers to the page pointers, and then for the pointers to
> +        * the pages themselves that the caller wants.
> +        */
> +       rcu_read_lock();
> +       ret = radix_tree_gang_lookup_slot(&mapping->page_tree,
> +                               (void ***)pages, start, nr_pages);
> +       ret2 = 0;
> +       for (i = 0; i < ret; i++) {

Pretty please? :-)

                                  Pekka

  parent reply	other threads:[~2005-08-11 13:58 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-11 12:18 [patch 0/7] lockless pagecache 2 Nick Piggin
2005-08-11 12:21 ` [patch 1/7] mm: remove PageReserved rollup Nick Piggin
2005-08-11 12:22   ` [patch 2/7] mm: PG_free flag Nick Piggin
2005-08-11 12:22     ` [patch 3/7] mm: speculative get_page Nick Piggin
2005-08-11 12:25       ` [patch 4/7] radix-tree: lookup_slot Nick Piggin
2005-08-11 12:25         ` [patch 5/7] radix-tree: lockless readside Nick Piggin
2005-08-11 12:28           ` [patch 6/7] mm: lockless pagecache Nick Piggin
2005-08-11 12:28             ` [patch 7/7] mm: spinlock tree_lock Nick Piggin
2005-08-11 13:58             ` Pekka Enberg [this message]
2005-08-11 14:06               ` [patch 6/7] mm: lockless pagecache Nick Piggin
2005-08-12  1:49             ` Paul E. McKenney
2005-08-12  4:04               ` Nick Piggin
2005-08-12  1:37           ` [patch 5/7] radix-tree: lockless readside Paul E. McKenney
2005-08-12  3:59             ` Nick Piggin
2005-08-12  4:38             ` Nick Piggin
2005-08-12  7:53               ` Nick Piggin

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