From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Pekka Enberg <penberg@gmail.com>
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: Fri, 12 Aug 2005 00:06:55 +1000 [thread overview]
Message-ID: <42FB5B7F.3000307@yahoo.com.au> (raw)
In-Reply-To: <84144f0205081106586eb0d5cf@mail.gmail.com>
Hi Pekka,
Pekka Enberg wrote:
> 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? :-)
>
Hey that's not actually a bad idea.
I was thinking about how to make that function nicer,
but the voices in my head just kept telling me to rename
'i' to 'ret3' ;)
So, thanks!
Nick
--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com
next prev parent reply other threads:[~2005-08-11 14:07 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 ` [patch 6/7] mm: lockless pagecache Pekka Enberg
2005-08-11 14:06 ` Nick Piggin [this message]
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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