summaryrefslogtreecommitdiff
path: root/arch/xtensa/Kconfig
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /arch/xtensa/Kconfig
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'arch/xtensa/Kconfig')
-rw-r--r--arch/xtensa/Kconfig17
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 3bd3504a6..82044f732 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -17,6 +17,7 @@ config XTENSA
select HAVE_DMA_API_DEBUG
select HAVE_DMA_ATTRS
select HAVE_FUNCTION_TRACER
+ select HAVE_FUTEX_CMPXCHG if !MMU
select HAVE_IRQ_TIME_ACCOUNTING
select HAVE_OPROFILE
select HAVE_PERF_EVENTS
@@ -397,6 +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"
@@ -408,7 +423,7 @@ config DEFAULT_MEM_START
hex "Physical address of the default memory area start"
depends on PLATFORM_WANT_DEFAULT_MEM
default 0x00000000 if MMU
- default 0x40000000 if !MMU
+ default 0x60000000 if !MMU
help
This is a fallback start address of the default memory area, it is
used when no physical memory size is passed through DTB or through