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
next prev parent 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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