From: Mike Rapoport <rppt@linux•ibm.com>
To: "Kirill A. Shutemov" <kirill@shutemov•name>
Cc: Mark Rutland <mark.rutland@arm•com>,
linux-ia64@vger•kernel.org, linux-sh@vger•kernel.org,
Peter Zijlstra <peterz@infradead•org>,
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Heiko Carstens <heiko.carstens@de•ibm.com>,
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linux-mm@kvack•org, Paul Mackerras <paulus@samba•org>,
sparclinux@vger•kernel.org, Thomas Gleixner <tglx@linutronix•de>,
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x86@kernel•org, Russell King - ARM Linux <linux@armlinux•org.uk>,
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"David S. Miller" <davem@davemloft•net>,
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Subject: Re: [PATCH V3 0/2] mm/debug: Add tests for architecture exported page table helpers
Date: Tue, 24 Sep 2019 15:31:47 +0300 [thread overview]
Message-ID: <20190924123146.GC5202@linux.ibm.com> (raw)
In-Reply-To: <20190924115101.p6y7vpbtgmj5qjku@box>
On Tue, Sep 24, 2019 at 02:51:01PM +0300, Kirill A. Shutemov wrote:
> On Fri, Sep 20, 2019 at 12:03:21PM +0530, Anshuman Khandual wrote:
> > This series adds a test validation for architecture exported page table
> > helpers. Patch in the series adds basic transformation tests at various
> > levels of the page table. Before that it exports gigantic page allocation
> > function from HugeTLB.
> >
> > This test was originally suggested by Catalin during arm64 THP migration
> > RFC discussion earlier. Going forward it can include more specific tests
> > with respect to various generic MM functions like THP, HugeTLB etc and
> > platform specific tests.
> >
> > https://lore.kernel.org/linux-mm/20190628102003.GA56463@arrakis.emea.arm.com/
> >
> > Testing:
> >
> > Successfully build and boot tested on both arm64 and x86 platforms without
> > any test failing. Only build tested on some other platforms. Build failed
> > on some platforms (known) in pud_clear_tests() as there were no available
> > __pgd() definitions.
> >
> > - ARM32
> > - IA64
>
> Hm. Grep shows __pgd() definitions for both of them. Is it for specific
> config?
For ARM32 it's defined only for 3-lelel page tables, i.e with LPAE on.
For IA64 it's defined for !STRICT_MM_TYPECHECKS which is even not a config
option, but a define in arch/ia64/include/asm/page.h
> --
> Kirill A. Shutemov
--
Sincerely yours,
Mike.
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next prev parent reply other threads:[~2019-09-24 12:32 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-20 6:33 [PATCH V3 0/2] mm/debug: Add tests for architecture exported page table helpers Anshuman Khandual
2019-09-20 6:33 ` [PATCH V3 2/2] mm/pgtable/debug: Add test validating architecture " Anshuman Khandual
2019-09-21 16:00 ` kbuild test robot
2019-09-23 6:27 ` Anshuman Khandual
2019-09-24 11:51 ` [PATCH V3 0/2] mm/debug: Add tests for architecture exported " Kirill A. Shutemov
2019-09-24 12:31 ` Mike Rapoport [this message]
2019-09-25 3:36 ` Anshuman Khandual
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