Re: [PATCH] firmware: speed up request_firmware()

From: Matt Mackall
Date: Wed Jan 28 2009 - 13:35:52 EST

On Wed, 2009-01-28 at 18:11 +0000, Alan Cox wrote:
> > Without this patch, loading a 12MB firmware image (FPGA bitfiles) called
> > vmalloc() approximately 3000 times. With the patch, vmalloc() is only
> > called 13 times, however, some memory is wasted until firmware_release() is
> > called. Usually, this happens very quickly, so it shouldn't be a problem.
> Particularly on 32bit x86 vmalloc memory space is very precious so while
> the current buffer size default may be too small doubling repeatedly is
> not a good model IMHO.

How about a small exponent like 1.1?

-- : development and support for Mercurial and Linux

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