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    mm/memory_hotplug: remove memory block devices before arch_remove_memory() · 4c4b7f9b
    David Hildenbrand authored
    Let's factor out removing of memory block devices, which is only
    necessary for memory added via add_memory() and friends that created
    memory block devices.  Remove the devices before calling
    arch_remove_memory().
    
    This finishes factoring out memory block device handling from
    arch_add_memory() and arch_remove_memory().
    
    Link: http://lkml.kernel.org/r/20190527111152.16324-10-david@redhat.com
    
    
    Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
    Reviewed-by: default avatarDan Williams <dan.j.williams@intel.com>
    Acked-by: default avatarMichal Hocko <mhocko@suse.com>
    Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Cc: "Rafael J. Wysocki" <rafael@kernel.org>
    Cc: David Hildenbrand <david@redhat.com>
    Cc: "mike.travis@hpe.com" <mike.travis@hpe.com>
    Cc: Andrew Banman <andrew.banman@hpe.com>
    Cc: Ingo Molnar <mingo@kernel.org>
    Cc: Alex Deucher <alexander.deucher@amd.com>
    Cc: "David S. Miller" <davem@davemloft.net>
    Cc: Mark Brown <broonie@kernel.org>
    Cc: Chris Wilson <chris@chris-wilson.co.uk>
    Cc: Oscar Salvador <osalvador@suse.de>
    Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
    Cc: Arun KS <arunks@codeaurora.org>
    Cc: Mathieu Malaterre <malat@debian.org>
    Cc: Andy Lutomirski <luto@kernel.org>
    Cc: Anshuman Khandual <anshuman.khandual@arm.com>
    Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
    Cc: Baoquan He <bhe@redhat.com>
    Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
    Cc: Borislav Petkov <bp@alien8.de>
    Cc: Catalin Marinas <catalin.marinas@arm.com>
    Cc: Chintan Pandya <cpandya@codeaurora.org>
    Cc: Christophe Leroy <christophe.leroy@c-s.fr>
    Cc: Dave Hansen <dave.hansen@linux.intel.com>
    Cc: Fenghua Yu <fenghua.yu@intel.com>
    Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
    Cc: "H. Peter Anvin" <hpa@zytor.com>
    Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
    Cc: Jun Yao <yaojun8558363@gmail.com>
    Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
    Cc: Logan Gunthorpe <logang@deltatee.com>
    Cc: Mark Rutland <mark.rutland@arm.com>
    Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
    Cc: Michael Ellerman <mpe@ellerman.id.au>
    Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
    Cc: Nicholas Piggin <npiggin@gmail.com>
    Cc: Oscar Salvador <osalvador@suse.com>
    Cc: Paul Mackerras <paulus@samba.org>
    Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Qian Cai <cai@lca.pw>
    Cc: Rich Felker <dalias@libc.org>
    Cc: Rob Herring <robh@kernel.org>
    Cc: Robin Murphy <robin.murphy@arm.com>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: Tony Luck <tony.luck@intel.com>
    Cc: Vasily Gorbik <gor@linux.ibm.com>
    Cc: Wei Yang <richard.weiyang@gmail.com>
    Cc: Will Deacon <will.deacon@arm.com>
    Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
    Cc: Yu Zhao <yuzhao@google.com>
    Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
    Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
    4c4b7f9b