From 6bcb651e34ecd064f80a10f3b77a9292f1139a08 Mon Sep 17 00:00:00 2001 From: Thomas Chou Date: Mon, 24 Dec 2007 23:46:04 +0800 Subject: [PATCH] nios2: allow allocating memory blocks up to 32MB fix The CONFIG_LARGE_ALLOCS is still needed for slab.c to allocate large memory block for this kernel version, linux-2.6.19. Signed-off-by: Thomas Chou diff --git a/linux-2.6.x/arch/nios2nommu/Kconfig b/linux-2.6.x/arch/nios2nommu/Kconfig index ea8b6ed..88915cb 100644 --- a/linux-2.6.x/arch/nios2nommu/Kconfig +++ b/linux-2.6.x/arch/nios2nommu/Kconfig @@ -198,6 +198,15 @@ config BREAK_ON_START before the kernel starts initialization. This allows you to debug the kernel startup. +config LARGE_ALLOCS + bool "Allow allocating large blocks (> 1MB) of memory" + default y + help + Allow the slab memory allocator to keep chains for very large + memory sizes - upto 32MB. You may need this if your system has + a lot of RAM, and you need to able to allocate very large + contiguous chunks. If unsure, say N. + config FORCE_MAX_ZONEORDER int default "14" diff --git a/linux-2.6.x/arch/nios2nommu/defconfig b/linux-2.6.x/arch/nios2nommu/defconfig index 2bf89dd..4fc81c1 100644 --- a/linux-2.6.x/arch/nios2nommu/defconfig +++ b/linux-2.6.x/arch/nios2nommu/defconfig @@ -114,6 +114,7 @@ CONFIG_NIOS2_HW_MUL=y # CONFIG_EXCALIBUR=y # CONFIG_BREAK_ON_START is not set +CONFIG_LARGE_ALLOCS=y CONFIG_FORCE_MAX_ZONEORDER=14 CONFIG_RAMKERNEL=y CONFIG_PREEMPT=y diff --git a/vendors/Altera/nios2nommu/config.linux-2.6.x b/vendors/Altera/nios2nommu/config.linux-2.6.x index 93a70c3..72d77af 100644 --- a/vendors/Altera/nios2nommu/config.linux-2.6.x +++ b/vendors/Altera/nios2nommu/config.linux-2.6.x @@ -116,6 +116,7 @@ CONFIG_NIOS2_HW_MUL=y # CONFIG_EXCALIBUR=y # CONFIG_BREAK_ON_START is not set +CONFIG_LARGE_ALLOCS=y CONFIG_FORCE_MAX_ZONEORDER=14 CONFIG_RAMKERNEL=y CONFIG_PREEMPT=y -- 1.5.3.5