linux-kernel - Re: [PATCH] ix86: minor highmem related Kconfig cleanup

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Tue, 30 Jun 2009 07:32:11 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jan Beulich <JBeulich@...ell.com>
CC:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ix86: minor highmem related Kconfig cleanup

Jan Beulich wrote:
> Remove a redundant conditional and consolidate a dependency.
> 
> Signed-off-by: Jan Beulich <jbeulich@...ell.com>
> 
>  config HIGHPTE
>  	bool "Allocate 3rd-level pagetables from highmem"
> -	depends on X86_32 && (HIGHMEM4G || HIGHMEM64G)
> +	depends on HIGHMEM
>  	---help---
>  	  The VM uses one page table entry for each page of physical memory.
>  	  For systems with a lot of RAM, this can be wasteful of precious
> 

This is probably correct, but the "3rd-level" should have been removed
from the description long ago when this was made available to non-PAE
mode (if it ever wasn't.)

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/