Browse code
runc.installer: add nokmem build tag for rhel7 kernel
In case we're running on RHEL7 kernel, which has non-working
and broken kernel memory controller, add 'nokmem' build tag
so that runc never enables kmem accounting.
For more info, see the following runc commit:
https://github.com/opencontainers/runc/commit/6a2c1559684
This behavior can be overriden by having `RUNC_NOKMEM` environment
variable set (e.g. to empty value to disable setting nokmem).
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
Kir Kolyshkin authored on 2018/11/07 04:15:36Showing 1 changed files
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@@ -4,10 +4,15 @@ |
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RUNC_COMMIT=9f1e94488e5e478e084fef997f022565b64b01d9 |
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install_runc() {
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+ # If using RHEL7 kernels (3.10.0 el7), disable kmem accounting/limiting |
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+ if uname -r | grep -q '^3\.10\.0.*\.el7\.'; then |
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+ : ${RUNC_NOKMEM='nokmem'}
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+ fi |
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+ |
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# Do not build with ambient capabilities support |
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- RUNC_BUILDTAGS="${RUNC_BUILDTAGS:-"seccomp apparmor selinux"}"
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+ RUNC_BUILDTAGS="${RUNC_BUILDTAGS:-"seccomp apparmor selinux $RUNC_NOKMEM"}"
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- echo "Install runc version $RUNC_COMMIT" |
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+ echo "Install runc version $RUNC_COMMIT (build tags: $RUNC_BUILDTAGS)" |
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git clone https://github.com/opencontainers/runc.git "$GOPATH/src/github.com/opencontainers/runc" |
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cd "$GOPATH/src/github.com/opencontainers/runc" |
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git checkout -q "$RUNC_COMMIT" |