Subject: Re: genfs_getpages and MAX_READ_AHEAD
To: YAMAMOTO Takashi <>
From: Jason Thorpe <>
List: tech-kern
Date: 06/10/2003 19:34:09
On Tuesday, June 10, 2003, at 06:36  PM, YAMAMOTO Takashi wrote:

> currently, genfs_getpages has a limit of number of pages.
> it's annoying because a caller should consider filesystem's block size
> to avoid assertion failure.
> how about following patch?
> although using alloca here is ...yucky,
> there're already variable-sized arrays around.

I think this patch is fine, except we need to be careful about stack 
usage.  Perhaps if the size grows to some limit, malloc()/free() are 
used instead?

         -- Jason R. Thorpe <>