From b874f827bb20dc08f23ef1da0e20e445dad2d0ac Mon Sep 17 00:00:00 2001 From: Robert Schwebel Date: Wed, 9 Jan 2019 17:39:48 +0100 Subject: platform-rpi: kernel: adapt DEFAULT_MMAP_MIN_ADDR "reason" says: Keeping userspace processes without CAP_SYS_RAWIO from writing to low pages can help reduce the impact of kernel NULL pointer bugs. 64kB is recommended by default. 32kB is recommended on ARM. Signed-off-by: Robert Schwebel --- configs/platform-rpi/kernelconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'configs/platform-rpi/kernelconfig') diff --git a/configs/platform-rpi/kernelconfig b/configs/platform-rpi/kernelconfig index 52f4883..72b7e8a 100644 --- a/configs/platform-rpi/kernelconfig +++ b/configs/platform-rpi/kernelconfig @@ -568,7 +568,7 @@ CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_COMPACTION=y CONFIG_MIGRATION=y CONFIG_KSM=y -CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 +CONFIG_DEFAULT_MMAP_MIN_ADDR=32768 CONFIG_NEED_PER_CPU_KM=y CONFIG_CLEANCACHE=y # CONFIG_CMA is not set -- cgit v1.2.3