netdev - Re: [PATCH RFC 1/6] spinlock: Add library function to allocate spinlock buckets array

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Message-ID: <20160914092722.GD11841@pox.localdomain>
Date:   Wed, 14 Sep 2016 11:27:22 +0200
From:   Thomas Graf <tgraf@...g.ch>
To:     Tom Herbert <tom@...bertland.com>
Cc:     davem@...emloft.net, netdev@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH RFC 1/6] spinlock: Add library function to allocate
 spinlock buckets array

On 09/09/16 at 04:19pm, Tom Herbert wrote:
> Add two new library functions alloc_bucket_spinlocks and
> free_bucket_spinlocks. These are use to allocate and free an array
> of spinlocks that are useful as locks for hash buckets. The interface
> specifies the maximum number of spinlocks in the array as well
> as a CPU multiplier to derive the number of spinlocks to allocate.
> The number to allocated is rounded up to a power of two to make
> the array amenable to hash lookup.
> 
> Signed-off-by: Tom Herbert <tom@...bertland.com>

Acked-by: Thomas Graf <tgraf@...g.ch>