linux-kernel - Re: [PATCH v3 6/6 UPDATE] x86, mm: Support huge KVA mappings on x86

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Message-ID: <1425511871.2090.65.camel@tiscali.nl>
Date:	Thu, 05 Mar 2015 00:31:11 +0100
From:	Paul Bolle <pebolle@...cali.nl>
To:	Toshi Kani <toshi.kani@...com>
Cc:	akpm@...ux-foundation.org, hpa@...or.com, tglx@...utronix.de,
	mingo@...hat.com, arnd@...db.de, linux-mm@...ck.org,
	x86@...nel.org, linux-kernel@...r.kernel.org,
	dave.hansen@...el.com, Elliott@...com
Subject: Re: [PATCH v3 6/6 UPDATE] x86, mm: Support huge KVA mappings on x86

Toshi Kani schreef op di 03-03-2015 om 16:48 [-0700]:
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -99,6 +99,7 @@ config X86
>  	select IRQ_FORCED_THREADING
>  	select HAVE_BPF_JIT if X86_64
>  	select HAVE_ARCH_TRANSPARENT_HUGEPAGE
> +	select HAVE_ARCH_HUGE_VMAP if X86_64 || (X86_32 && X86_PAE)

Minor nit: X86_PAE depends on X86_32, so I think this could be just
    select HAVE_ARCH_HUGE_VMAP if X86_64 || X86_PAE

>  	select ARCH_HAS_SG_CHAIN
>  	select CLKEVT_I8253
>  	select ARCH_HAVE_NMI_SAFE_CMPXCHG


Paul Bolle

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