Re: fs,seq_file: huge allocations for seq file reads

[Sasha Levin <sasha.levin@oracle.com>]

On 04/08/2014 10:49 AM, Dave Jones wrote:
> On Tue, Apr 08, 2014 at 10:45:31AM -0400, Sasha Levin wrote:
>  
>  > It seems that when we attempt to read huge chunks of data from a seq file
>  > there would be no check for the size being read, leading to the kernel
>  > attempting to allocate huge chunks of data internally.
>  > 
>  > As far as I remember, there was a PAGE_SIZE limitation on those, but I'm
>  > not certain about that. Could someone please confirm it?
> 
> I've had this diff sitting around for a while to figure out which
> seq_file we're talking about.  I think Al wrote it, I forget..

I'll add it in.

I didn't realize it was a problem with a specific file, I thought it was
an issue with seq files in general.


Thanks,
Sasha