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From: "Kani, Toshi" <toshi.kani@hpe.com>
To: "mhocko@kernel.org" <mhocko@kernel.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"tglx@linutronix.de" <tglx@linutronix.de>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	"stable@vger.kernel.org" <stable@vger.kernel.org>,
	"x86@kernel.org" <x86@kernel.org>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"hpa@zytor.com" <hpa@zytor.com>,
	"mingo@redhat.com" <mingo@redhat.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"cpandya@codeaurora.org" <cpandya@codeaurora.org>
Subject: Re: [PATCH v3 2/3] ioremap: Update pgtable free interfaces with addr
Date: Thu, 17 May 2018 14:32:01 +0000	[thread overview]
Message-ID: <1526567449.2693.608.camel@hpe.com> (raw)
In-Reply-To: <20180517064755.GP12670@dhcp22.suse.cz>

On Thu, 2018-05-17 at 08:47 +0200, Michal Hocko wrote:
> On Wed 16-05-18 17:32:06, Kani Toshimitsu wrote:
> > From: Chintan Pandya <cpandya@codeaurora.org>
> > 
> > This patch ("mm/vmalloc: Add interfaces to free unmapped
> > page table") adds following 2 interfaces to free the page
> > table in case we implement huge mapping.
> > 
> > pud_free_pmd_page() and pmd_free_pte_page()
> > 
> > Some architectures (like arm64) needs to do proper TLB
> > maintanance after updating pagetable entry even in map.
> > Why ? Read this,
> > https://patchwork.kernel.org/patch/10134581/
> 
> Please add that information to the changelog.

I will update the description and resend this patch.

Thanks!
-Toshi

  reply	other threads:[~2018-05-17 14:32 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-16 23:32 [PATCH v3 0/3] fix free pmd/pte page handlings on x86 Toshi Kani
2018-05-16 23:32 ` [PATCH v3 1/3] x86/mm: disable ioremap free page handling on x86-PAE Toshi Kani
2018-05-16 23:32 ` [PATCH v3 2/3] ioremap: Update pgtable free interfaces with addr Toshi Kani
2018-05-17  6:47   ` Michal Hocko
2018-05-17 14:32     ` Kani, Toshi [this message]
2018-05-16 23:32 ` [PATCH v3 3/3] x86/mm: add TLB purge to free pmd/pte page interfaces Toshi Kani
2018-05-29 14:44   ` Joerg Roedel
2018-05-29 16:10     ` Kani, Toshi
2018-05-30  4:59       ` joro
2018-05-30 15:39         ` Kani, Toshi
2018-06-24 13:19 ` [PATCH v3 0/3] fix free pmd/pte page handlings on x86 Thomas Gleixner
2018-06-25 14:56   ` Kani, Toshi
2018-06-25 17:53     ` Michal Hocko
2018-06-25 21:15       ` Kani, Toshi
2018-06-26  6:35         ` Michal Hocko
2018-06-26  8:45           ` Thomas Gleixner
2018-06-26  8:54             ` Michal Hocko
2018-06-26 15:25               ` Kani, Toshi

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