Files
linuxkit/kernel/README.md
zlim 8e5006f8f9 kernel: update README.md
Update description to reflect link to ../doc/kernels.md.

Signed-off-by: Zi Shen Lim <zlim.lnx@gmail.com>
2017-11-19 22:19:49 -08:00

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See [../docs/kernels.md](../docs/kernels.md) for more
information on kernel builds.
To build with various debug options enabled, build the kernel with
`make DEBUG=1`. The options enabled are listed in `kernel_config.debug`.
This allocates a significant amount of memory on boot and you may need to
adjust the kernel config on some systems. Specifically:
```diff
--- a/alpine/kernel/kernel_config
+++ b/alpine/kernel/kernel_config
@@ -415,8 +415,8 @@ CONFIG_DMI=y
# CONFIG_CALGARY_IOMMU is not set
CONFIG_SWIOTLB=y
CONFIG_IOMMU_HELPER=y
-CONFIG_MAXSMP=y
-CONFIG_NR_CPUS=8192
+CONFIG_MAXSMP=n
+CONFIG_NR_CPUS=8
# CONFIG_SCHED_SMT is not set
CONFIG_SCHED_MC=y
# CONFIG_PREEMPT_NONE is not set
```