diff options
Diffstat (limited to 'arch/xtensa')
| -rw-r--r-- | arch/xtensa/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 3d35867c61f1..82044f732323 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -398,6 +398,20 @@ config SIMDISK1_FILENAME source "mm/Kconfig" +config FORCE_MAX_ZONEORDER + int "Maximum zone order" + default "11" + 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. + + This config option is actually maximum order plus one. For example, + a value of 11 means that the largest free memory block is 2^10 pages. + source "drivers/pcmcia/Kconfig" source "drivers/pci/hotplug/Kconfig" |