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Mike Rapoport 350e88bad4 mm: memblock: make keeping memblock memory opt-in rather than opt-out 
Most architectures do not need the memblock memory after the page
allocator is initialized, but only few enable ARCH_DISCARD_MEMBLOCK in the
arch Kconfig.

Replacing ARCH_DISCARD_MEMBLOCK with ARCH_KEEP_MEMBLOCK and inverting the
logic makes it clear which architectures actually use memblock after
system initialization and skips the necessity to add ARCH_DISCARD_MEMBLOCK
to the architectures that are still missing that option.

Link: http://lkml.kernel.org/r/1556102150-32517-1-git-send-email-rppt@linux.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-05-14 09:47:50 -07:00
..
alpha init: provide a generic free_initmem implementation 2019-05-14 09:47:47 -07:00
arc init: provide a generic free_initmem implementation 2019-05-14 09:47:47 -07:00
arm mm: memblock: make keeping memblock memory opt-in rather than opt-out 2019-05-14 09:47:50 -07:00
arm64 mm: memblock: make keeping memblock memory opt-in rather than opt-out 2019-05-14 09:47:50 -07:00
c6x init: provide a generic free_initmem implementation 2019-05-14 09:47:47 -07:00
csky DMA mapping updates for 5.2 2019-05-09 08:40:55 -07:00
h8300 init: provide a generic free_initmem implementation 2019-05-14 09:47:47 -07:00
hexagon mm: memblock: make keeping memblock memory opt-in rather than opt-out 2019-05-14 09:47:50 -07:00
ia64 mm: memblock: make keeping memblock memory opt-in rather than opt-out 2019-05-14 09:47:50 -07:00
m68k mm: memblock: make keeping memblock memory opt-in rather than opt-out 2019-05-14 09:47:50 -07:00
microblaze init: provide a generic free_initmem implementation 2019-05-14 09:47:47 -07:00
mips mm: memblock: make keeping memblock memory opt-in rather than opt-out 2019-05-14 09:47:50 -07:00
nds32 init: provide a generic free_initmem implementation 2019-05-14 09:47:47 -07:00
nios2 mm: memblock: make keeping memblock memory opt-in rather than opt-out 2019-05-14 09:47:50 -07:00
openrisc init: provide a generic free_initmem implementation 2019-05-14 09:47:47 -07:00
parisc initramfs: provide a generic free_initrd_mem implementation 2019-05-14 09:47:47 -07:00
powerpc mm: memblock: make keeping memblock memory opt-in rather than opt-out 2019-05-14 09:47:50 -07:00
riscv riscv: switch over to generic free_initmem() 2019-05-14 09:47:47 -07:00
s390 mm: memblock: make keeping memblock memory opt-in rather than opt-out 2019-05-14 09:47:50 -07:00
sh mm: memblock: make keeping memblock memory opt-in rather than opt-out 2019-05-14 09:47:50 -07:00
sparc mm: use mm_zero_struct_page from SPARC on all 64b architectures 2019-05-14 09:47:49 -07:00
um initramfs: provide a generic free_initrd_mem implementation 2019-05-14 09:47:47 -07:00
unicore32 init: provide a generic free_initmem implementation 2019-05-14 09:47:47 -07:00
x86 mm: memblock: make keeping memblock memory opt-in rather than opt-out 2019-05-14 09:47:50 -07:00
xtensa init: provide a generic free_initmem implementation 2019-05-14 09:47:47 -07:00
.gitignore
Kconfig initramfs: move the legacy keepinitrd parameter to core code 2019-05-14 09:47:47 -07:00