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sparc: reword ARCH_FORCE_MAX_ORDER prompt and help text

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The prompt and help text of ARCH_FORCE_MAX_ORDER are not even close to
describe this configuration option.

Update both to actually describe what this option does.

Link: https://lkml.kernel.org/r/20230324052233.2654090-14-rppt@kernel.org
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: David Miller <davem@davemloft.net>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Guo Ren <guoren@kernel.org>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Rich Felker <dalias@libc.org>
Cc: "Russell King (Oracle)" <linux@armlinux.org.uk>
Cc: Will Deacon <will@kernel.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Mike Rapoport (IBM)
2023-03-24 08:22:32 +03:00
committed by Andrew Morton
parent 0495408240
commit 8def4c058f
1 changed files with 9 additions and 7 deletions
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16
arch/sparc/Kconfig
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@@ -270,15 +270,17 @@ config ARCH_SPARSEMEM_DEFAULT
def_bool y if SPARC64 def_bool y if SPARC64
config ARCH_FORCE_MAX_ORDER config ARCH_FORCE_MAX_ORDER
int "Maximum zone order" int "Order of maximal physically contiguous allocations"
default "12" default "12"
help help
The kernel memory allocator divides physically contiguous memory The kernel page allocator limits the size of maximal physically
blocks into "zones", where each zone is a power of two number of contiguous allocations. The limit is called MAX_ORDER and it
pages. This option selects the largest power of two that the kernel defines the maximal power of two of number of pages that can be
keeps in the memory allocator. If you need to allocate very large allocated as a single contiguous block. This option allows
blocks of physically contiguous memory, then you may need to overriding the default setting when ability to allocate very
increase this value. large blocks of physically contiguous memory is required.
Don't change if unsure.
if SPARC64 || COMPILE_TEST if SPARC64 || COMPILE_TEST
source "kernel/power/Kconfig" source "kernel/power/Kconfig"