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

From: Alan Cox
Date: Wed Jan 28 2009 - 14:45:40 EST

> Some drivers cache firmware in memory. Doubing the amount of needed memory
> definitely would not be the best idea. Check drivers/net/wireless for
> examples.

A lot of drivers could perfectly happily exist with a simple iterator
helper and being returned sg lists of pages. It seems that for big
firmwares at least there is a root cause which is deeper than how you
grow your vmalloc buffer.

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