linux-kernel - [PATCH stable 4.9 0/2] zsmalloc MAX_POSSIBLE_PHYSMEM

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Message-Id: <20211103205714.374801-1-f.fainelli@gmail.com>
Date:   Wed,  3 Nov 2021 13:57:12 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     stable@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vineet Gupta <vgupta@...opsys.com>,
        Russell King <linux@...linux.org.uk>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        x86@...nel.org (maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)),
        Arnd Bergmann <arnd@...db.de>,
        Minchan Kim <minchan@...nel.org>,
        Nitin Gupta <ngupta@...are.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Stefan Agner <stefan@...er.ch>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        linux-snps-arc@...ts.infradead.org (open list:SYNOPSYS ARC ARCHITECTURE),
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM PORT),
        linux-mips@...ux-mips.org (open list:MIPS),
        linuxppc-dev@...ts.ozlabs.org (open list:LINUX FOR POWERPC (32-BIT AND
        64-BIT)),
        linux-arch@...r.kernel.org (open list:GENERIC INCLUDE/ASM HEADER FILES),
        linux-mm@...ck.org (open list:ZSMALLOC COMPRESSED SLAB MEMORY ALLOCATOR)
Subject: [PATCH stable 4.9 0/2] zsmalloc MAX_POSSIBLE_PHYSMEM_BITS

This patch series is a back port necessary to address the problem
reported by Stefan Agner:

https://lore.kernel.org/linux-mm/bdfa44bf1c570b05d6c70898e2bbb0acf234ecdf.1604762181.git.stefan@agner.ch/

but which ended up being addressed by Arnd in a slightly different way
from Stefan's submission.

The first patch from Kirill is back ported in order to have
MAX_POSSIBLE_PHYSMEM_BITS be acted on my the zsmalloc.c code.

Arnd Bergmann (1):
  arch: pgtable: define MAX_POSSIBLE_PHYSMEM_BITS where needed

Kirill A. Shutemov (1):
  mm/zsmalloc: Prepare to variable MAX_PHYSMEM_BITS

 arch/arc/include/asm/pgtable.h              |  2 ++
 arch/arm/include/asm/pgtable-2level.h       |  2 ++
 arch/arm/include/asm/pgtable-3level.h       |  2 ++
 arch/mips/include/asm/pgtable-32.h          |  3 +++
 arch/powerpc/include/asm/pte-common.h       |  2 ++
 arch/x86/include/asm/pgtable-3level_types.h |  1 +
 include/asm-generic/pgtable.h               | 13 +++++++++++++
 mm/zsmalloc.c                               | 13 +++++++------
 8 files changed, 32 insertions(+), 6 deletions(-)

-- 
2.25.1