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api: deprecate KernelMemoryTCP support

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Starting with kernel v6.12, kernel memory TCP accounting is deprecated for cgroups v1.
Note: kernel memory TCP accounting is not supported by cgroups v2.

See d046ff46ee

Signed-off-by: Austin Vazquez <austin.vazquez@docker.com>
(cherry picked from commit fb2f8115c8)
Signed-off-by: Austin Vazquez <austin.vazquez@docker.com>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Austin Vazquez
2025-09-29 13:34:31 -05:00
committed by Sebastiaan van Stijn
parent 423a7fd6af
commit deb4bbbfe0
10 changed files with 52 additions and 19 deletions
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5
docs/api/v1.50.yaml
View File

@@ -636,6 +636,9 @@ definitions:
by the default (runc) runtime.
This field is omitted when empty.
**Deprecated**: This field is deprecated as kernel 6.12 has deprecated `memory.kmem.tcp.limit_in_bytes` field
for cgroups v1. This field will be removed in a future release.
type: "integer"
format: "int64"
MemoryReservation:
@@ -6351,6 +6354,8 @@ definitions:
Kernel memory TCP limits are not supported when using cgroups v2, which
does not support the corresponding `memory.kmem.tcp.limit_in_bytes` cgroup.
**Deprecated**: This field is deprecated as kernel 6.12 has deprecated kernel memory TCP accounting.
type: "boolean"
example: true
CpuCfsPeriod:

5
docs/api/v1.51.yaml
View File

@@ -636,6 +636,9 @@ definitions:
by the default (runc) runtime.
This field is omitted when empty.
**Deprecated**: This field is deprecated as kernel 6.12 has deprecated `memory.kmem.tcp.limit_in_bytes` field
for cgroups v1. This field will be removed in a future release.
type: "integer"
format: "int64"
MemoryReservation:
@@ -6350,6 +6353,8 @@ definitions:
Kernel memory TCP limits are not supported when using cgroups v2, which
does not support the corresponding `memory.kmem.tcp.limit_in_bytes` cgroup.
**Deprecated**: This field is deprecated as kernel 6.12 has deprecated kernel memory TCP accounting.
type: "boolean"
example: true
CpuCfsPeriod:

5
docs/api/version-history.md
View File

@@ -22,6 +22,11 @@ keywords: "API, Docker, rcli, REST, documentation"
This field was previously always -1.
* Deprecated: The field `NetworkSettings.Bridge` returned by `GET /containers/{id}/json`
is deprecated and will be removed in the next API version.
* Deprecated: The field `KernelMemoryTCP` as part of `POST /containers/{id}/update`
and returned by `GET /containers/{id}/json` is deprecated and will be removed
in the next API version.
* Deprecated: The field `KernelMemoryTCP` as part of `GET /info` is deprecated
and will be removed in the next API version.
## v1.50 API changes