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| author | Chris Metcalf <cmetcalf@tilera.com> | 2010-08-06 10:37:02 -0400 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2010-08-06 10:37:02 -0400 |
| commit | ab11b487402f97975f3ac1eeea09c82f4431481e (patch) | |
| tree | 86337c5cbbd2b0c4bd07c0847a1dc7de3d898147 /arch/microblaze/Kconfig | |
| parent | 1c689cbcf2c2b7a35cd237abddd9206bb1b6fee1 (diff) | |
| parent | fc1caf6eafb30ea185720e29f7f5eccca61ecd60 (diff) | |
Merge branch 'master' into for-linus
Diffstat (limited to 'arch/microblaze/Kconfig')
| -rw-r--r-- | arch/microblaze/Kconfig | 50 |
1 files changed, 34 insertions, 16 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 76818f92653..9bd64b4b2b0 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -5,7 +5,7 @@ mainmenu "Linux/Microblaze Kernel Configuration" config MICROBLAZE def_bool y - select HAVE_LMB + select HAVE_MEMBLOCK select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_FUNCTION_GRAPH_TRACER @@ -14,9 +14,12 @@ config MICROBLAZE select USB_ARCH_HAS_EHCI select ARCH_WANT_OPTIONAL_GPIOLIB select HAVE_OPROFILE + select HAVE_ARCH_KGDB select HAVE_DMA_ATTRS select HAVE_DMA_API_DEBUG select TRACING_SUPPORT + select OF + select OF_FLATTREE config SWAP def_bool n @@ -75,9 +78,6 @@ config LOCKDEP_SUPPORT config HAVE_LATENCYTOP_SUPPORT def_bool y -config DTC - def_bool y - source "init/Kconfig" source "kernel/Kconfig.freezer" @@ -124,18 +124,6 @@ config CMDLINE_FORCE Set this to have arguments from the default kernel command string override those passed by the boot loader. -config OF - def_bool y - select OF_FLATTREE - -config PROC_DEVICETREE - bool "Support for device tree in /proc" - depends on PROC_FS - help - This option adds a device-tree directory under /proc which contains - an image of the device tree that the kernel copies from Open - Firmware or other boot firmware. If unsure, say Y here. - endmenu menu "Advanced setup" @@ -223,6 +211,36 @@ config TASK_SIZE hex "Size of user task space" if TASK_SIZE_BOOL default "0x80000000" +choice + prompt "Page size" + default MICROBLAZE_4K_PAGES + depends on ADVANCED_OPTIONS && !MMU + help + Select the kernel logical page size. Increasing the page size + will reduce software overhead at each page boundary, allow + hardware prefetch mechanisms to be more effective, and allow + larger dma transfers increasing IO efficiency and reducing + overhead. However the utilization of memory will increase. + For example, each cached file will using a multiple of the + page size to hold its contents and the difference between the + end of file and the end of page is wasted. + + If unsure, choose 4K_PAGES. + +config MICROBLAZE_4K_PAGES + bool "4k page size" + +config MICROBLAZE_8K_PAGES + bool "8k page size" + +config MICROBLAZE_16K_PAGES + bool "16k page size" + +config MICROBLAZE_32K_PAGES + bool "32k page size" + +endchoice + endmenu source "mm/Kconfig" |