linux-kernel - Re: [PATCH] lightnvm: change rrpc slab creation/destruction time

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Message-ID: <5666DA7A.3020100@bjorling.me>
Date:	Tue, 8 Dec 2015 14:26:18 +0100
From:	Matias Bjørling <m@...rling.me>
To:	Wenwei Tao <ww.tao0320@...il.com>,
	Matias Bjørling <mb@...htnvm.io>
Cc:	linux-kernel@...r.kernel.org, linux-block@...r.kernel.org
Subject: Re: [PATCH] lightnvm: change rrpc slab creation/destruction time

On 12/08/2015 12:36 PM, Wenwei Tao wrote:
> Hi Matias
> In my understanding  kmem_cache_create only allocate and setup some
> basic structures, the actual slab memory is allocated  from buddy
> system when we use these slabs.
> Do you think the memory consumed by these structures is a issue
> compared to the lock contention and slab status check in
> rrpc_core_init，or you have any other concerns ?

The rrpc_core_init is only run at registration time and isn't in a 
critical path. So I rather not initialize something until we really it.

ps. it is custom not to top post :)

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