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Date: Sun, 16 May 2021 10:13:19 +0300
From: Mike Rapoport <rppt@kernel.org>
To: David Hildenbrand <david@redhat.com>
Subject: Re: [PATCH v19 3/8] set_memory: allow set_direct_map_*_noflush() for
 multiple pages
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CC: Andrew Morton <akpm@linux-foundation.org>, Alexander Viro <viro@zeniv.linux.org.uk>, Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>, Borislav Petkov <bp@alien8.de>, Catalin Marinas <catalin.marinas@arm.com>, Christopher Lameter <cl@linux.com>, Dave Hansen <dave.hansen@linux.intel.com>, Elena Reshetova <elena.reshetova@intel.com>, "H. Peter Anvin" <hpa@zytor.com>, Hagen Paul Pfeifer <hagen@jauu.net>, Ingo Molnar <mingo@redhat.com>, James Bottomley <jejb@linux.ibm.com>, Kees Cook <keescook@chromium.org>, "Kirill A. Shutemov" <kirill@shutemov.name>, Matthew Wilcox <willy@infradead.org>, Matthew Garrett <mjg59@srcf.ucam.org>, Mark Rutland <mark.rutland@arm.com>, Michal Hocko <mhocko@suse.com>, Mike Rapoport <rppt@linux.ibm.com>, Michael Kerrisk <mtk.manpages@gmail.com>, Palmer Dabbelt <palmer@dabbelt.com>, Palmer Dabbelt <palmerdabbelt@google.com>, Paul Walmsley <paul.walmsley@sifive.com>, Peter Zijlstra <peterz@infradead.org>, "Rafael J. Wysocki" <rjw@rjwysocki.net
 >, Rick Edgecombe <rick.p.edgecombe@intel.com>, Roman Gushchin <guro@fb.com>, Shakeel Butt <shakeelb@google.com>, Shuah Khan <shuah@kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Tycho Andersen <tycho@tycho.ws>, Will Deacon <will@kernel.org>, Yury Norov <yury.norov@gmail.com>, linux-api@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-nvdimm@lists.01.org, linux-riscv@lists.infradead.org, x86@kernel.org
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On Fri, May 14, 2021 at 10:43:29AM +0200, David Hildenbrand wrote:
> On 13.05.21 20:47, Mike Rapoport wrote:
> > From: Mike Rapoport <rppt@linux.ibm.com>
> > 
> > The underlying implementations of set_direct_map_invalid_noflush() and
> > set_direct_map_default_noflush() allow updating multiple contiguous pages
> > at once.
> > 
> > Add numpages parameter to set_direct_map_*_noflush() to expose this
> > ability with these APIs.
> 
> AFAIKs, your patch #5 right now only calls it with 1 page, do we need this
> change at all? Feels like a leftover from older versions to me where we
> could have had more than a single page.

Right, will drop it. 

-- 
Sincerely yours,
Mike.
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