From: Manfred Spraul <manfred@colorfullife.com>
To: Christoph Hellwig <hch@lst.de>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] make kmem_find_general_cachep static in slab.c
Date: Tue, 07 Sep 2004 18:50:17 +0200 [thread overview]
Message-ID: <413DE6C9.5050402@colorfullife.com> (raw)
In-Reply-To: <20040907143632.GA8480@lst.de>
Christoph Hellwig wrote:
>--- 1.35/include/linux/slab.h 2004-09-03 11:08:25 +02:00
>+++ edited/include/linux/slab.h 2004-09-07 14:47:58 +02:00
>@@ -55,7 +55,6 @@
> /* prototypes */
> extern void kmem_cache_init(void);
>
>-extern kmem_cache_t *kmem_find_general_cachep(size_t, int gfpflags);
>
>
Why?
It's intended for users that want to kmalloc always the same amount of
memory.
For example the network layer could call kmem_find_general_cachep once
for dev->mtu and then just call kmem_cache_alloc instead of kmalloc. The
loop in kmalloc often needs more cpu cycles than the actual alloc.
--
Manfred
next prev parent reply other threads:[~2004-09-07 17:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-07 14:36 [PATCH] make kmem_find_general_cachep static in slab.c Christoph Hellwig
2004-09-07 16:50 ` Manfred Spraul [this message]
2004-09-07 16:52 ` Christoph Hellwig
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