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kernel: clean-up build-configurable kernel config symbols

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Don't explicitely disable options in target/linux/generic/config-* if
they are already controlled in config/Config-kernel.in.
Add a bunch of new symbols  and prepare defaults for using only unified
hierarchy (ie. cgroup2). Update symbol dependencies while at it

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle
2020-07-30 16:24:19 +01:00
parent 917980fd8a
commit d1a8217d87
4 changed files with 39 additions and 37 deletions
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49
config/Config-kernel.in
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@@ -357,6 +357,18 @@ config KERNEL_BLK_DEV_BSG
bool "Compile the kernel with SCSI generic v4 support for any block device"
default n
config KERNEL_TRANSPARENT_HUGEPAGE
bool
config KERNEL_HUGETLBFS
bool
config KERNEL_HUGETLB_PAGE
bool "Compile the kernel with HugeTLB support"
select KERNEL_TRANSPARENT_HUGEPAGE
select KERNEL_HUGETLBFS
default n
config KERNEL_MAGIC_SYSRQ
bool "Compile the kernel with SysRq support"
default y
@@ -551,21 +563,29 @@ if KERNEL_CGROUPS
config KERNEL_FREEZER
bool
default y if KERNEL_CGROUP_FREEZER
config KERNEL_CGROUP_FREEZER
bool "Freezer cgroup subsystem"
default y
bool "legacy Freezer cgroup subsystem"
default n
select KERNEL_FREEZER
help
Provides a way to freeze and unfreeze all tasks in a
cgroup.
(legacy cgroup1-only controller, in cgroup2 freezer
is integrated in the Memory controller)
config KERNEL_CGROUP_DEVICE
bool "Device controller for cgroups"
default y
bool "legacy Device controller for cgroups"
default n
help
Provides a cgroup implementing whitelists for devices which
a process in the cgroup can mknod or open.
(legacy cgroup1-only controller)
config KERNEL_CGROUP_HUGETLB
bool "HugeTLB controller"
default y if KERNEL_HUGETLB_PAGE
depends on KERNEL_HUGETLB_PAGE
config KERNEL_CGROUP_PIDS
bool "PIDs cgroup subsystem"
@@ -574,6 +594,14 @@ if KERNEL_CGROUPS
Provides enforcement of process number limits in the scope of a
cgroup.
config KERNEL_CGROUP_RDMA
bool "RDMA controller for cgroups"
default y
config KERNEL_CGROUP_BPF
bool "Support for eBPF programs attached to cgroups"
default y
config KERNEL_CPUSETS
bool "Cpuset support"
default y if !SMALL_FLASH
@@ -609,6 +637,7 @@ if KERNEL_CGROUPS
config KERNEL_MEMCG
bool "Memory Resource Controller for Control Groups"
default y if !SMALL_FLASH
select KERNEL_FREEZER
depends on KERNEL_RESOURCE_COUNTERS || !LINUX_3_18
help
Provides a memory resource controller that manages both anonymous
@@ -631,7 +660,7 @@ if KERNEL_CGROUPS
config KERNEL_MEMCG_SWAP
bool "Memory Resource Controller Swap Extension"
default n
default y if !SMALL_FLASH
depends on KERNEL_MEMCG
help
Add swap management feature to memory resource controller. When you
@@ -763,12 +792,12 @@ if KERNEL_CGROUPS
files in a cgroup which can be useful for debugging.
config KERNEL_NET_CLS_CGROUP
bool "Control Group Classifier"
default y
bool "legacy Control Group Classifier"
default n
config KERNEL_CGROUP_NET_PRIO
bool "Network priority cgroup"
default y
bool "legacy Network priority cgroup"
default n
endif