From: Frank Rowand <frowand.list@gmail.com>
To: Rob Herring <robh+dt@kernel.org>, cpandya@codeaurora.org
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] of: add early boot allocation of of_find_node_by_phandle() cache
Date: Wed, 14 Feb 2018 16:55:20 -0800 [thread overview]
Message-ID: <96984f12-dff6-73e9-8f45-9573cb9ca4e5@gmail.com> (raw)
In-Reply-To: <1518655465-10759-1-git-send-email-frowand.list@gmail.com>
On 02/14/18 16:44, frowand.list@gmail.com wrote:
> From: Frank Rowand <frank.rowand@sony.com>
>
> The initial implementation of the of_find_node_by_phandle() cache
> allocates the cache using kcalloc(). Add an early boot allocation
> of the cache so it will be usable during early boot. Switch over
> to the kcalloc() based cache once normal memory allocation
> becomes available.
>
> Signed-off-by: Frank Rowand <frank.rowand@sony.com>
> ---
>
> This patch is optional, to be added at Rob's discretion. The
> extra complexity is not as much as I had feared, but the boot
> speed up is also likely small.
This patch applies on top of:
[PATCH v3] of: cache phandle nodes to reduce cost of of_find_node_by_phandle()
next prev parent reply other threads:[~2018-02-15 0:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-15 0:44 frowand.list
2018-02-15 0:55 ` Frank Rowand [this message]
2018-02-16 9:07 ` Chintan Pandya
2018-02-16 22:32 ` Frank Rowand
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