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script/check-config.sh: fixes for cgroupv2 and v5.x kernels #2729

Merged
merged 5 commits into from
Jan 28, 2021
Merged

script/check-config.sh: fixes for cgroupv2 and v5.x kernels #2729

merged 5 commits into from
Jan 28, 2021

Commits on Jan 11, 2021

  1. script/check-config.sh: support for cgroupv2 

    Before:

> Generally Necessary:
> - cgroup hierarchy: nonexistent??
>     (see https://github.com/tianon/cgroupfs-mount)

After:

> Generally Necessary:
> - cgroup hierarchy: cgroupv2

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
    @kolyshkin
    kolyshkin committed Jan 11, 2021
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  2. script/check-config.sh: fix NF_NAT_IPV4 

    CONFIG_NF_NAT_IPV4 was removed in kernel commit 3bf195ae6037e310,
which made its way into v5.1-rc1. The functionality is now under
NF_NAT which we already check for.

Make the check for NF_NAT_IPV4 conditional.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
    @kolyshkin
    kolyshkin committed Jan 11, 2021
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  3. script/check-config.sh: fix NF_NAT_NEEDED 

    CONFIG_NF_NAT_NEEDED was removed in kernel commit 4806e975729f99c7,
which made its way into v5.2-rc1. The functionality is now under
NF_NAT which we already check for.

Make the check for NF_NAT_NEEDED conditional.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
    @kolyshkin
    kolyshkin committed Jan 11, 2021
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  4. script/check-config.sh: fix MEMCG_SWAP_ENABLED 

    Kernel commit 2d1c498072de69e (which made its way into kernel v5.8-rc1)
removed CONFIG_MEMCG_SWAP_ENABLED Kconfig option, making swap accounting
always enabled (unless swapaccount=0 boot option is provided).

Make the check conditional.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
    @kolyshkin
    kolyshkin committed Jan 11, 2021
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  5. script/check-config.sh: fix IOSCHED_CFQ CFQ_GROUP_IOSCHED 

    These config options are removed by kernel commit f382fb0bcef4,
which made its way into kernel v5.0-rc1.

Make the check conditional.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
    @kolyshkin
    kolyshkin committed Jan 11, 2021
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