nios2: reword ARCH_FORCE_MAX_ORDER prompt and help text
authorMike Rapoport (IBM) <rppt@kernel.org>
Fri, 24 Mar 2023 05:22:26 +0000 (08:22 +0300)
committerAndrew Morton <akpm@linux-foundation.org>
Tue, 18 Apr 2023 23:29:45 +0000 (16:29 -0700)
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/20230324052233.2654090-8-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>
arch/nios2/Kconfig

index 89708b9..fcaa6bb 100644 (file)
@@ -45,16 +45,18 @@ menu "Kernel features"
 source "kernel/Kconfig.hz"
 
 config ARCH_FORCE_MAX_ORDER
-       int "Maximum zone order"
+       int "Order of maximal physically contiguous allocations"
        range 8 19
        default "10"
        help
-         The kernel memory allocator divides physically contiguous memory
-         blocks into "zones", where each zone is a power of two number of
-         pages.  This option selects the largest power of two that the kernel
-         keeps in the memory allocator.  If you need to allocate very large
-         blocks of physically contiguous memory, then you may need to
-         increase this value.
+         The kernel page allocator limits the size of maximal physically
+         contiguous allocations. The limit is called MAX_ORDER and it
+         defines the maximal power of two of number of pages that can be
+         allocated as a single contiguous block. This option allows
+         overriding the default setting when ability to allocate very
+         large blocks of physically contiguous memory is required.
+
+         Don't change if unsure.
 
 endmenu