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| author | Robert Schwebel <r.schwebel@pengutronix.de> | 2019-01-09 17:39:48 +0100 |
|---|---|---|
| committer | Robert Schwebel <r.schwebel@pengutronix.de> | 2019-01-09 17:39:48 +0100 |
| commit | b874f827bb20dc08f23ef1da0e20e445dad2d0ac (patch) | |
| tree | f4dfac44cb6d9cdfeb2f65edf9433bbece1c2e64 /configs | |
| parent | e45f3b845eb4222ef09b4abd730aa5ba0299d8f3 (diff) | |
| download | DistroKit-b874f827bb20dc08f23ef1da0e20e445dad2d0ac.tar.gz DistroKit-b874f827bb20dc08f23ef1da0e20e445dad2d0ac.tar.xz | |
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 <r.schwebel@pengutronix.de>
Diffstat (limited to 'configs')
| -rw-r--r-- | configs/platform-rpi/kernelconfig | 2 |
1 files changed, 1 insertions, 1 deletions
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 |