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Merge pull request #43277 from thaJeztah/fix_kernelmem_docs_and_error

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api: add missing docs for KernelMemoryTCP, and fix error message
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Sebastiaan van Stijn 2022-03-03 19:33:49 +01:00 committed by GitHub
commit 36ec581e5c
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4 changed files with 25 additions and 1 deletions
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8
api/swagger.yaml
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@ -4468,6 +4468,14 @@ definitions:
> `kmem.limit_in_bytes`.
type: "boolean"
example: true
KernelMemoryTCP:
description: |
Indicates if the host has kernel memory TCP limit support enabled.
Kernel memory TCP limits are not supported when using cgroups v2, which
does not support the corresponding `memory.kmem.tcp.limit_in_bytes` cgroup.
type: "boolean"
example: true
CpuCfsPeriod:
description: |
Indicates if CPU CFS(Completely Fair Scheduler) period is supported by

2
daemon/daemon_unix.go
View file

@ -452,7 +452,7 @@ func verifyPlatformContainerResources(resources *containertypes.Resources, sysIn
resources.KernelMemory = 0
}
if resources.KernelMemory > 0 && resources.KernelMemory < linuxMinMemory {
return warnings, fmt.Errorf("Minimum kernel memory limit allowed is 4MB")
return warnings, fmt.Errorf("Minimum kernel memory limit allowed is 6MB")
}
if resources.KernelMemory > 0 && !kernel.CheckKernelVersion(4, 0, 0) {
warnings = append(warnings, "You specified a kernel memory limit on a kernel older than 4.0. Kernel memory limits are experimental on older kernels, it won't work as expected and can cause your system to be unstable.")

8
docs/api/v1.40.yaml
View file

@ -4346,6 +4346,14 @@ definitions:
description: "Indicates if the host has kernel memory limit support enabled."
type: "boolean"
example: true
KernelMemoryTCP:
description: |
Indicates if the host has kernel memory TCP limit support enabled.
Kernel memory TCP limits are not supported when using cgroups v2, which
does not support the corresponding `memory.kmem.tcp.limit_in_bytes` cgroup.
type: "boolean"
example: true
CpuCfsPeriod:
description: |
Indicates if CPU CFS(Completely Fair Scheduler) period is supported by

8
docs/api/v1.41.yaml
View file

@ -4467,6 +4467,14 @@ definitions:
> `kmem.limit_in_bytes`.
type: "boolean"
example: true
KernelMemoryTCP:
description: |
Indicates if the host has kernel memory TCP limit support enabled.
Kernel memory TCP limits are not supported when using cgroups v2, which
does not support the corresponding `memory.kmem.tcp.limit_in_bytes` cgroup.
type: "boolean"
example: true
CpuCfsPeriod:
description: |
Indicates if CPU CFS(Completely Fair Scheduler) period is supported by