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Subject: Re: [PATCH RFC 0/7] mm: PG_reserved cleanups and documentation
References: <20181205122851.5891-1-david@redhat.com>
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From: David Hildenbrand <david@redhat.com>
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Date: Wed, 5 Dec 2018 14:04:21 +0100
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To: Michal Hocko <mhocko@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>, David Airlie <airlied@linux.ie>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Bhupesh Sharma <bhsharma@redhat.com>, Palmer Dabbelt <palmer@sifive.com>, Heiko Carstens <heiko.carstens@de.ibm.com>, linux-mm@kvack.org, Paul Mackerras <paulus@samba.org>, linux-riscv@lists.infradead.org, Alexander Duyck <alexander.h.duyck@linux.intel.com>, linux-s390@vger.kernel.org, Vasily Gorbik <gor@linux.ibm.com>, Michael Ellerman <mpe@ellerman.id.au>, Pavel Tatashin <pasha.tatashin@oracle.com>, Matthew Wilcox <willy@infradead.org>, Geert Uytterhoeven <geert@linux-m68k.org>, Catalin Marinas <catalin.marinas@arm.com>, Anthony Yznaga <anthony.yznaga@oracle.com>, Tobias Klauser <tklauser@distanz.ch>, Albert Ou <aou@eecs.berkeley.edu>, Kees Cook <keescook@chromium.org>, Arnd Bergmann <arnd@arndb.de>, Stephen Rothwell <sfr@canb.auug.org.au>, Marc Zyngier <marc.zyngier@arm.com>, Will Deacon <will.deacon@arm.com>, linux-m68k@lists.linux-m68k.org, Dave Kleikamp <dave.kleikamp@oracle.com>, linux-mediatek@lists.infradead.org, Dan Williams <dan.j.williams@intel.com>, linux-arm-kernel@lists.infradead.org, Christophe Leroy <christophe.leroy@c-s.fr>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, linux-kernel@vger.kernel.org, Miles Chen <miles.chen@mediatek.com>, Mike Rapoport <rppt@linux.vnet.ibm.com>, James Morse <james.morse@arm.com>, Souptick Joarder <jrdr.linux@gmail.com>, Martin Schwidefsky <schwidefsky@de.ibm.com>, Andrew Morton <akpm@linux-foundation.org>, linuxppc-dev@lists.ozlabs.org
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On 05.12.18 13:56, Michal Hocko wrote:
> On Wed 05-12-18 13:28:44, David Hildenbrand wrote:
> [...]
>> Most notably, for device memory we can hopefully soon stop setting
>> it PG_reserved
> 
> I am busy as hell so I am not likely to look at specific patche this
> week. But could you be more specific why we need to get rid of other
> PG_reserved users before we can do so for device memory?
> 

No worries, this has time.

For device memory, nothing should really be needed. I am only collecting
and docuumenting users and this is one user soon to go (eventually) :)

> I am all for removing relicts because they just confuse people but I
> fail to see any relation here.
> 

It's really only "why is this patch set not bigger", nothing related to
device memory actually :)

-- 

Thanks,

David / dhildenb

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