From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Andrew Morton <akpm@osdl.org>
Cc: David Howells <dhowells@redhat.com>,
Linus Torvalds <torvalds@osdl.org>,
Linux Kernel Mailing List <Linux-Kernel@vger.kernel.org>
Subject: Re: [patch] mm: cleanup bootmem
Date: Sat, 14 Jan 2006 23:47:24 +1100 [thread overview]
Message-ID: <43C8F2DC.1090400@yahoo.com.au> (raw)
In-Reply-To: <43C8F198.3010609@yahoo.com.au>
Nick Piggin wrote:
> Objections?
>
>
> ------------------------------------------------------------------------
>
> The bootmem code added to page_alloc.c duplicated some page freeing code
> that it really doesn't need to because it is not so performance critical.
>
... but actually it is possible that it ends up being faster with this
patch anyway, due to the old code freeing the pages as higher order
batches: they won't have to go through as many iterations in the buddy
allocator. This patch restores that behaviour as well.
--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com
next prev parent reply other threads:[~2006-01-14 12:48 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-14 12:42 [patch] mm: cleanup bootmem Nick Piggin
2006-01-14 12:47 ` Nick Piggin [this message]
2006-01-14 17:50 ` Linus Torvalds
2006-01-14 18:02 ` Nick Piggin
2006-01-14 18:06 ` Nick Piggin
2006-01-14 18:13 ` Linus Torvalds
2006-01-14 18:43 ` Nick Piggin
2006-01-16 8:53 ` Jes Sorensen
2006-01-16 15:25 ` Jack Steiner
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