linux-kernel - Re: [PATCH] Allow increasing the buffer-head per-CPU LRU size

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Date:	Sat, 5 Jul 2014 09:44:40 +0200
From:	Andreas Mohr <andi@...as.de>
To:	Sebastien Buisson <sebastien.buisson@...l.net>
Cc:	viro@...iv.linux.org.uk, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] Allow increasing the buffer-head per-CPU LRU size

Hi,

two typos:

> +config BH_LRU_SIZE
> +      int "buffer head per-CPU LRU size"
> +      range 8 64
> +      default "16"
> +      help
> +        This sets the per-CPU LRU size for buffer heads in memory.
> +        More complex filesystems may be modiyfing multiple blocks
                                           ^^^^^^^

> +        within a single transaction, so keeping the buffer heads in
> +        CPU-local cache speeds up modifations significantly.
                                        ^^^^^^

Thanks for this nice optimization,

Andreas Mohr
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