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Message-ID: <20180427113923.GF17484@dhcp22.suse.cz>
Date: Fri, 27 Apr 2018 13:39:23 +0200
From: Michal Hocko <mhocko@...nel.org>
To: "joro@...tes.org" <joro@...tes.org>
Cc: "Kani, Toshi" <toshi.kani@....com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"bp@...e.de" <bp@...e.de>,
"tglx@...utronix.de" <tglx@...utronix.de>,
"linux-mm@...ck.org" <linux-mm@...ck.org>,
"guohanjun@...wei.com" <guohanjun@...wei.com>,
"wxf.wang@...ilicon.com" <wxf.wang@...ilicon.com>,
"stable@...r.kernel.org" <stable@...r.kernel.org>,
"x86@...nel.org" <x86@...nel.org>,
"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
"willy@...radead.org" <willy@...radead.org>,
"hpa@...or.com" <hpa@...or.com>,
"catalin.marinas@....com" <catalin.marinas@....com>,
"mingo@...hat.com" <mingo@...hat.com>,
"will.deacon@....com" <will.deacon@....com>,
"cpandya@...eaurora.org" <cpandya@...eaurora.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 2/2] x86/mm: implement free pmd/pte page interfaces
On Fri 27-04-18 09:37:20, joro@...tes.org wrote:
[...]
> So until we make the generic ioremap code in lib/ioremap.c smarter about
> unmapping/remapping ranges the best solution is making my fix work again
> by reverting your patch.
Could you reuse the same mmu_gather mechanism as we use in the
zap_*_range?
--
Michal Hocko
SUSE Labs
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