From: Richard Weinberger <richard@nod.at>
To: Mike Rapoport <rppt@kernel.org>
Cc: linux-mm <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
anton ivanov <anton.ivanov@cambridgegreys.com>,
Arnd Bergmann <arnd@arndb.de>, davem <davem@davemloft.net>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Greentime Hu <green.hu@gmail.com>,
Greg Ungerer <gerg@linux-m68k.org>, Helge Deller <deller@gmx.de>,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
Jeff Dike <jdike@addtoit.com>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
torvalds <torvalds@linux-foundation.org>,
Mark Salter <msalter@redhat.com>,
Matt Turner <mattst88@gmail.com>, Michal Simek <monstr@monstr.eu>,
Peter Rosin <peda@axentia.se>,
Rolf Eike Beer <eike-kernel@sf-tec.de>,
Russell King <linux@armlinux.org.uk>,
Sam Creasey <sammy@sammy.net>, Vincent Chen <deanbo422@gmail.com>,
Vineet Gupta <Vineet.Gupta1@synopsys.com>,
linux-alpha <linux-alpha@vger.kernel.org>,
linux-arch <linux-arch@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-c6x-dev <linux-c6x-dev@linux-c6x.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-m68k <linux-m68k@lists.linux-m68k.org>,
linux-parisc <linux-parisc@vger.kernel.org>,
linux-um <linux-um@lists.infradead.org>,
sparclinux <sparclinux@vger.kernel.org>,
Mike Rapoport <rppt@linux.ibm.com>
Subject: Re: [PATCH v2 12/13] um: add support for folded p4d page tables
Date: Fri, 1 Nov 2019 10:20:09 +0100 (CET) [thread overview]
Message-ID: <1435962204.69872.1572600009245.JavaMail.zimbra@nod.at> (raw)
In-Reply-To: <1572597584-6390-13-git-send-email-rppt@kernel.org>
----- Ursprüngliche Mail -----
> Von: "Mike Rapoport" <rppt@kernel.org>
[...]
> #define pte_page(x) pfn_to_page(pte_pfn(x))
> diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
> index 417ff64..6fd17bc 100644
> --- a/arch/um/kernel/mem.c
> +++ b/arch/um/kernel/mem.c
> @@ -92,10 +92,26 @@ static void __init one_md_table_init(pud_t *pud)
> #endif
> }
>
> +static void __init one_pud_table_init(p4d_t *p4d)
> +{
> +#if CONFIG_PGTABLE_LEVELS > 3
Isn't this dead code?
For uml we have:
config PGTABLE_LEVELS
int
default 3 if 3_LEVEL_PGTABLES
default 2
Thanks,
//richard
next prev parent reply other threads:[~2019-11-01 9:20 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-01 8:39 [PATCH v2 00/13] mm: remove __ARCH_HAS_4LEVEL_HACK Mike Rapoport
2019-11-01 8:39 ` [PATCH v2 01/13] alpha: use pgtable-nop4d instead of 4level-fixup Mike Rapoport
2019-11-01 9:11 ` Kirill A. Shutemov
2019-11-01 21:59 ` Mike Rapoport
2019-11-01 8:39 ` [PATCH v2 02/13] arm: nommu: use pgtable-nopud " Mike Rapoport
2019-11-01 8:39 ` [PATCH v2 03/13] c6x: " Mike Rapoport
2019-11-01 8:39 ` [PATCH v2 04/13] m68k: nommu: " Mike Rapoport
2019-11-01 8:39 ` [PATCH v2 05/13] m68k: mm: use pgtable-nopXd " Mike Rapoport
2019-11-01 8:39 ` [PATCH v2 06/13] microblaze: use pgtable-nopmd " Mike Rapoport
2019-11-01 8:39 ` [PATCH v2 07/13] nds32: " Mike Rapoport
2019-11-01 8:39 ` [PATCH v2 08/13] parisc: use pgtable-nopXd " Mike Rapoport
2019-11-01 8:39 ` [PATCH v2 09/13] parisc/hugetlb: " Mike Rapoport
2019-11-01 8:39 ` [PATCH v2 10/13] sparc32: use pgtable-nopud " Mike Rapoport
2019-11-01 8:39 ` [PATCH v2 11/13] um: remove unused pxx_offset_proc() and addr_pte() functions Mike Rapoport
2019-11-01 9:12 ` Richard Weinberger
2019-11-01 8:39 ` [PATCH v2 12/13] um: add support for folded p4d page tables Mike Rapoport
2019-11-01 9:20 ` Richard Weinberger [this message]
2019-11-01 8:39 ` [PATCH v2 13/13] mm: remove __ARCH_HAS_4LEVEL_HACK and include/asm-generic/4level-fixup.h Mike Rapoport
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