Messages in this thread Patch in this message | | | From | Mike Rapoport <> | Subject | [PATCH v3 13/14] sparc: reword ARCH_FORCE_MAX_ORDER prompt and help text | Date | Sat, 25 Mar 2023 09:08:27 +0300 |
| |
From: "Mike Rapoport (IBM)" <rppt@kernel.org>
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.
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reviewed-by: Zi Yan <ziy@nvidia.com> Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org> --- arch/sparc/Kconfig | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index e3242bf5a8df..959e43a1aaca 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -270,15 +270,17 @@ config ARCH_SPARSEMEM_DEFAULT def_bool y if SPARC64 config ARCH_FORCE_MAX_ORDER - int "Maximum zone order" + int "Order of maximal physically contiguous allocations" default "12" 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. if SPARC64 || COMPILE_TEST source "kernel/power/Kconfig" -- 2.35.1
| |