From: Catalin Marinas <catalin.marinas@arm.com>
To: Mike Rapoport <rppt@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Alexey Dobriyan <adobriyan@gmail.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Greg Ungerer <gerg@linux-m68k.org>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
Jonathan Corbet <corbet@lwn.net>,
Matt Turner <mattst88@gmail.com>, Meelis Roos <mroos@linux.ee>,
Michael Schmitz <schmitzmic@gmail.com>,
Mike Rapoport <rppt@linux.ibm.com>,
Russell King <linux@armlinux.org.uk>,
Tony Luck <tony.luck@intel.com>,
Vineet Gupta <vgupta@synopsys.com>, Will Deacon <will@kernel.org>,
linux-alpha@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-ia64@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-mm@kvack.org, l
Subject: Re: [PATCH v2 09/13] arm, arm64: move free_unused_memmap() to generic mm
Date: Sat, 14 Nov 2020 12:15:17 +0000 [thread overview]
Message-ID: <20201114121516.GA2837@gaia> (raw)
In-Reply-To: <20201101170454.9567-10-rppt@kernel.org>
On Sun, Nov 01, 2020 at 07:04:50PM +0200, Mike Rapoport wrote:
> From: Mike Rapoport <rppt@linux.ibm.com>
>
> ARM and ARM64 free unused parts of the memory map just before the
> initialization of the page allocator. To allow holes in the memory map both
> architectures overload pfn_valid() and define HAVE_ARCH_PFN_VALID.
>
> Allowing holes in the memory map for FLATMEM may be useful for small
> machines, such as ARC and m68k and will enable those architectures to cease
> using DISCONTIGMEM and still support more than one memory bank.
>
> Move the functions that free unused memory map to generic mm and enable
> them in case HAVE_ARCH_PFN_VALID=y.
>
> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
For arm64:
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Mike Rapoport <rppt@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Alexey Dobriyan <adobriyan@gmail.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Greg Ungerer <gerg@linux-m68k.org>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
Jonathan Corbet <corbet@lwn.net>,
Matt Turner <mattst88@gmail.com>, Meelis Roos <mroos@linux.ee>,
Michael Schmitz <schmitzmic@gmail.com>,
Mike Rapoport <rppt@linux.ibm.com>,
Russell King <linux@armlinux.org.uk>,
Tony Luck <tony.luck@intel.com>,
Vineet Gupta <vgupta@synopsys.com>, Will Deacon <will@kernel.org>,
linux-alpha@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-ia64@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-mm@kvack.org, linux-snps-arc@lists.infradead.org
Subject: Re: [PATCH v2 09/13] arm, arm64: move free_unused_memmap() to generic mm
Date: Sat, 14 Nov 2020 12:15:17 +0000 [thread overview]
Message-ID: <20201114121516.GA2837@gaia> (raw)
In-Reply-To: <20201101170454.9567-10-rppt@kernel.org>
On Sun, Nov 01, 2020 at 07:04:50PM +0200, Mike Rapoport wrote:
> From: Mike Rapoport <rppt@linux.ibm.com>
>
> ARM and ARM64 free unused parts of the memory map just before the
> initialization of the page allocator. To allow holes in the memory map both
> architectures overload pfn_valid() and define HAVE_ARCH_PFN_VALID.
>
> Allowing holes in the memory map for FLATMEM may be useful for small
> machines, such as ARC and m68k and will enable those architectures to cease
> using DISCONTIGMEM and still support more than one memory bank.
>
> Move the functions that free unused memory map to generic mm and enable
> them in case HAVE_ARCH_PFN_VALID=y.
>
> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
For arm64:
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Mike Rapoport <rppt@kernel.org>
Cc: linux-ia64@vger.kernel.org, linux-doc@vger.kernel.org,
linux-mm@kvack.org, Will Deacon <will@kernel.org>,
Greg Ungerer <gerg@linux-m68k.org>,
Jonathan Corbet <corbet@lwn.net>, Meelis Roos <mroos@linux.ee>,
Russell King <linux@armlinux.org.uk>,
Mike Rapoport <rppt@linux.ibm.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Matt Turner <mattst88@gmail.com>,
linux-snps-arc@lists.infradead.org,
Alexey Dobriyan <adobriyan@gmail.com>,
linux-m68k@lists.linux-m68k.org,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
linux-arm-kernel@lists.infradead.org,
Michael Schmitz <schmitzmic@gmail.com>,
Tony Luck <tony.luck@intel.com>,
Vineet Gupta <vgupta@synopsys.com>,
linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org,
linux-fsdevel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v2 09/13] arm, arm64: move free_unused_memmap() to generic mm
Date: Sat, 14 Nov 2020 12:15:17 +0000 [thread overview]
Message-ID: <20201114121516.GA2837@gaia> (raw)
In-Reply-To: <20201101170454.9567-10-rppt@kernel.org>
On Sun, Nov 01, 2020 at 07:04:50PM +0200, Mike Rapoport wrote:
> From: Mike Rapoport <rppt@linux.ibm.com>
>
> ARM and ARM64 free unused parts of the memory map just before the
> initialization of the page allocator. To allow holes in the memory map both
> architectures overload pfn_valid() and define HAVE_ARCH_PFN_VALID.
>
> Allowing holes in the memory map for FLATMEM may be useful for small
> machines, such as ARC and m68k and will enable those architectures to cease
> using DISCONTIGMEM and still support more than one memory bank.
>
> Move the functions that free unused memory map to generic mm and enable
> them in case HAVE_ARCH_PFN_VALID=y.
>
> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
For arm64:
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
_______________________________________________
linux-snps-arc mailing list
linux-snps-arc@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-snps-arc
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Mike Rapoport <rppt@kernel.org>
Cc: linux-ia64@vger.kernel.org, linux-doc@vger.kernel.org,
linux-mm@kvack.org, Will Deacon <will@kernel.org>,
Greg Ungerer <gerg@linux-m68k.org>,
Jonathan Corbet <corbet@lwn.net>, Meelis Roos <mroos@linux.ee>,
Russell King <linux@armlinux.org.uk>,
Mike Rapoport <rppt@linux.ibm.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Matt Turner <mattst88@gmail.com>,
linux-snps-arc@lists.infradead.org,
Alexey Dobriyan <adobriyan@gmail.com>,
linux-m68k@lists.linux-m68k.org,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
linux-arm-kernel@lists.infradead.org,
Michael Schmitz <schmitzmic@gmail.com>,
Tony Luck <tony.luck@intel.com>,
Vineet Gupta <vgupta@synopsys.com>,
linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org,
linux-fsdevel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v2 09/13] arm, arm64: move free_unused_memmap() to generic mm
Date: Sat, 14 Nov 2020 12:15:17 +0000 [thread overview]
Message-ID: <20201114121516.GA2837@gaia> (raw)
In-Reply-To: <20201101170454.9567-10-rppt@kernel.org>
On Sun, Nov 01, 2020 at 07:04:50PM +0200, Mike Rapoport wrote:
> From: Mike Rapoport <rppt@linux.ibm.com>
>
> ARM and ARM64 free unused parts of the memory map just before the
> initialization of the page allocator. To allow holes in the memory map both
> architectures overload pfn_valid() and define HAVE_ARCH_PFN_VALID.
>
> Allowing holes in the memory map for FLATMEM may be useful for small
> machines, such as ARC and m68k and will enable those architectures to cease
> using DISCONTIGMEM and still support more than one memory bank.
>
> Move the functions that free unused memory map to generic mm and enable
> them in case HAVE_ARCH_PFN_VALID=y.
>
> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
For arm64:
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-11-14 12:15 UTC|newest]
Thread overview: 188+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-01 17:04 [PATCH v2 00/13] arch, mm: deprecate DISCONTIGMEM Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` [PATCH v2 01/13] alpha: switch from DISCONTIGMEM to SPARSEMEM Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` [PATCH v2 02/13] ia64: remove custom __early_pfn_to_nid() Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` [PATCH v2 03/13] ia64: remove 'ifdef CONFIG_ZONE_DMA32' statements Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` [PATCH v2 04/13] ia64: discontig: paging_init(): remove local max_pfn calculation Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` [PATCH v2 05/13] ia64: split virtual map initialization out of paging_init() Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` [PATCH v2 06/13] ia64: forbid using VIRTUAL_MEM_MAP with FLATMEM Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` [PATCH v2 07/13] ia64: make SPARSEMEM default and disable DISCONTIGMEM Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` [PATCH v2 08/13] arm: remove CONFIG_ARCH_HAS_HOLES_MEMORYMODEL Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-02 9:43 ` David Hildenbrand
2020-11-02 9:43 ` David Hildenbrand
2020-11-02 9:43 ` David Hildenbrand
2020-11-02 9:43 ` David Hildenbrand
2020-11-02 9:43 ` David Hildenbrand
2020-11-01 17:04 ` [PATCH v2 09/13] arm, arm64: move free_unused_memmap() to generic mm Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-14 12:15 ` Catalin Marinas [this message]
2020-11-14 12:15 ` Catalin Marinas
2020-11-14 12:15 ` Catalin Marinas
2020-11-14 12:15 ` Catalin Marinas
2020-11-01 17:04 ` [PATCH v2 10/13] arc: use FLATMEM with freeing of unused memory map instead of DISCONTIGMEM Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-17 6:40 ` Vineet Gupta
2020-11-17 6:40 ` Vineet Gupta
2020-11-17 6:40 ` Vineet Gupta
2020-11-17 6:40 ` Vineet Gupta
2020-11-17 6:40 ` Vineet Gupta
2020-11-17 6:57 ` Mike Rapoport
2020-11-17 6:57 ` Mike Rapoport
2020-11-17 6:57 ` Mike Rapoport
2020-11-17 6:57 ` Mike Rapoport
2020-11-17 6:57 ` Mike Rapoport
2020-11-24 0:26 ` Vineet Gupta
2020-11-24 0:26 ` Vineet Gupta
2020-11-24 0:26 ` Vineet Gupta
2020-11-24 0:26 ` Vineet Gupta
2020-11-01 17:04 ` [PATCH v2 11/13] m68k/mm: make node data and node setup depend on CONFIG_DISCONTIGMEM Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` [PATCH v2 12/13] m68k/mm: enable use of generic memory_model.h for !DISCONTIGMEM Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` [PATCH v2 13/13] m68k: deprecate DISCONTIGMEM Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-01 17:04 ` Mike Rapoport
2020-11-17 5:24 ` [PATCH v2 00/13] arch, mm: " John Paul Adrian Glaubitz
2020-11-17 5:24 ` John Paul Adrian Glaubitz
2020-11-17 5:24 ` John Paul Adrian Glaubitz
2020-11-17 5:24 ` John Paul Adrian Glaubitz
2020-11-17 6:23 ` Mike Rapoport
2020-11-17 6:23 ` Mike Rapoport
2020-11-17 6:23 ` Mike Rapoport
2020-11-17 6:23 ` Mike Rapoport
2020-11-17 6:23 ` Mike Rapoport
2020-11-17 8:07 ` John Paul Adrian Glaubitz
2020-11-17 8:07 ` John Paul Adrian Glaubitz
2020-11-17 8:07 ` John Paul Adrian Glaubitz
2020-11-17 8:07 ` John Paul Adrian Glaubitz
2020-11-17 8:07 ` John Paul Adrian Glaubitz
2020-11-17 8:14 ` Mike Rapoport
2020-11-17 8:14 ` Mike Rapoport
2020-11-17 8:14 ` Mike Rapoport
2020-11-17 8:14 ` Mike Rapoport
2020-11-17 8:14 ` Mike Rapoport
2020-12-01 9:10 ` John Paul Adrian Glaubitz
2020-12-01 9:10 ` John Paul Adrian Glaubitz
2020-12-01 9:10 ` John Paul Adrian Glaubitz
2020-12-01 9:10 ` John Paul Adrian Glaubitz
2020-12-01 9:10 ` John Paul Adrian Glaubitz
2020-12-01 10:29 ` Mike Rapoport
2020-12-01 10:29 ` Mike Rapoport
2020-12-01 10:29 ` Mike Rapoport
2020-12-01 10:29 ` Mike Rapoport
2020-12-01 10:29 ` Mike Rapoport
2020-12-01 11:35 ` John Paul Adrian Glaubitz
2020-12-01 11:35 ` John Paul Adrian Glaubitz
2020-12-01 11:35 ` John Paul Adrian Glaubitz
2020-12-01 11:35 ` John Paul Adrian Glaubitz
2020-12-01 11:35 ` John Paul Adrian Glaubitz
2020-12-01 12:10 ` Mike Rapoport
2020-12-01 12:10 ` Mike Rapoport
2020-12-01 12:10 ` Mike Rapoport
2020-12-01 12:10 ` Mike Rapoport
2020-12-01 12:10 ` Mike Rapoport
2020-12-01 12:16 ` John Paul Adrian Glaubitz
2020-12-01 12:16 ` John Paul Adrian Glaubitz
2020-12-01 12:16 ` John Paul Adrian Glaubitz
2020-12-01 13:56 ` Mike Rapoport
2020-12-01 13:56 ` Mike Rapoport
2020-12-01 13:56 ` Mike Rapoport
2020-12-01 15:03 ` Jens Axboe
2020-12-01 15:03 ` Jens Axboe
2020-12-01 15:03 ` Jens Axboe
2020-12-01 15:03 ` Jens Axboe
2020-12-01 15:03 ` Jens Axboe
2020-12-01 15:33 ` Geert Uytterhoeven
2020-12-01 15:33 ` Geert Uytterhoeven
2020-12-01 15:33 ` Geert Uytterhoeven
2020-12-01 15:33 ` Geert Uytterhoeven
2020-12-01 15:33 ` Geert Uytterhoeven
2020-12-02 8:43 ` Christoph Hellwig
2020-12-02 8:43 ` Christoph Hellwig
2020-12-02 8:43 ` Christoph Hellwig
2020-12-02 8:43 ` Christoph Hellwig
2020-12-02 8:43 ` Christoph Hellwig
2020-12-02 8:45 ` John Paul Adrian Glaubitz
2020-12-02 8:45 ` John Paul Adrian Glaubitz
2020-12-02 8:45 ` John Paul Adrian Glaubitz
2020-12-02 8:45 ` John Paul Adrian Glaubitz
2020-12-02 8:45 ` John Paul Adrian Glaubitz
2020-12-02 8:46 ` Christoph Hellwig
2020-12-02 8:46 ` Christoph Hellwig
2020-12-02 8:46 ` Christoph Hellwig
2020-12-02 8:46 ` Christoph Hellwig
2020-12-02 8:46 ` Christoph Hellwig
2020-12-02 8:46 ` Mike Rapoport
2020-12-02 8:46 ` Mike Rapoport
2020-12-02 8:46 ` Mike Rapoport
2020-12-02 8:46 ` Mike Rapoport
2020-12-02 8:46 ` Mike Rapoport
2020-12-02 8:47 ` Christoph Hellwig
2020-12-02 8:47 ` Christoph Hellwig
2020-12-02 8:47 ` Christoph Hellwig
2020-12-02 8:47 ` Christoph Hellwig
2020-12-02 8:47 ` Christoph Hellwig
2020-12-01 15:07 ` John Paul Adrian Glaubitz
2020-12-01 15:07 ` John Paul Adrian Glaubitz
2020-12-01 15:07 ` John Paul Adrian Glaubitz
2020-12-01 15:07 ` John Paul Adrian Glaubitz
2020-12-01 15:07 ` John Paul Adrian Glaubitz
2020-12-01 19:55 ` John Paul Adrian Glaubitz
2020-12-01 19:55 ` John Paul Adrian Glaubitz
2020-12-01 19:55 ` John Paul Adrian Glaubitz
2020-12-01 19:55 ` John Paul Adrian Glaubitz
2020-12-01 19:55 ` John Paul Adrian Glaubitz
2020-12-02 7:14 ` Mike Rapoport
2020-12-02 7:14 ` Mike Rapoport
2020-12-02 7:14 ` Mike Rapoport
2020-12-02 7:14 ` Mike Rapoport
2020-12-02 7:14 ` Mike Rapoport
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