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Message-ID: <6457f3a65ebb25811ce57be9f8da39fe475496fa.camel@intel.com>
Date: Wed, 13 Mar 2024 14:58:27 +0000
From: "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>
To: "debug@...osinc.com" <debug@...osinc.com>, "luto@...nel.org"
	<luto@...nel.org>, "x86@...nel.org" <x86@...nel.org>,
	"Liam.Howlett@...cle.com" <Liam.Howlett@...cle.com>, "broonie@...nel.org"
	<broonie@...nel.org>, "keescook@...omium.org" <keescook@...omium.org>,
	"dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>, "hpa@...or.com"
	<hpa@...or.com>, "christophe.leroy@...roup.eu" <christophe.leroy@...roup.eu>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>, "mingo@...hat.com"
	<mingo@...hat.com>, "kirill.shutemov@...ux.intel.com"
	<kirill.shutemov@...ux.intel.com>, "bp@...en8.de" <bp@...en8.de>,
	"tglx@...utronix.de" <tglx@...utronix.de>, "peterz@...radead.org"
	<peterz@...radead.org>
CC: "linux-mm@...ck.org" <linux-mm@...ck.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 09/12] mm: Take placement mappings gap into account

On Wed, 2024-03-13 at 09:04 +0000, Christophe Leroy wrote:
> 
> Only a start_gap is needed ? No need of an end_gap ?

Yea, shadow stacks only have a start gap. If any end gap is needed, it
will be much easier to add after all of this.

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