Re: [tip:x86/urgent] x86-32: Make sure we can map all of lowmem ifwe need to

[Stanislaw Gruszka]

On Fri, Dec 17, 2010 at 03:19:03AM +0000, tip-bot for H. Peter Anvin wrote:
> Commit-ID:  147dd5610c8d1bacb88a6c1dfdaceaf257946ed0
> Gitweb:     http://git.kernel.org/tip/147dd5610c8d1bacb88a6c1dfdaceaf257946ed0
> Author:     H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
> AuthorDate: Thu, 16 Dec 2010 19:11:09 -0800
> Committer:  H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
> CommitDate: Thu, 16 Dec 2010 19:11:09 -0800
> 
> x86-32: Make sure we can map all of lowmem if we need to
> 
> A relocatable kernel can be anywhere in lowmem -- and in the case of a
> kdump kernel, is likely to be fairly high.  Since the early page
> tables map everything from address zero up we need to make sure we
> allocate enough brk that we can map all of lowmem if we need to.
> 
> Reported-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>

Fix confirmed, thanks

Stanislaw
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