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kernel: enable memory compaction

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Compaction is the only memory management component to form high order (larger
physically contiguous) memory blocks reliably. The page allocator relies on
compaction heavily and the lack of the feature can lead to unexpected OOM
killer invocations for high order memory requests. You shouldn't disable this
option unless there really is a strong reason for it.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Michal Hrusecky <michal.hrusecky@nic.cz>
This commit is contained in:
Felix Fietkau 2018-10-09 13:22:46 +02:00
parent 567fe53230
commit 212aa33226
15 changed files with 6 additions and 12 deletions
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1
target/linux/armvirt/config-4.14
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@ -18,6 +18,7 @@ CONFIG_ARM_GIC_V2M=y
CONFIG_ARM_GIC_V3=y CONFIG_ARM_GIC_V3=y
CONFIG_ARM_PSCI_FW=y CONFIG_ARM_PSCI_FW=y
# CONFIG_ARM_SP805_WATCHDOG is not set # CONFIG_ARM_SP805_WATCHDOG is not set
CONFIG_BALLOON_COMPACTION=y
CONFIG_BLK_MQ_PCI=y CONFIG_BLK_MQ_PCI=y
CONFIG_CLKDEV_LOOKUP=y CONFIG_CLKDEV_LOOKUP=y
CONFIG_CLKSRC_OF=y CONFIG_CLKSRC_OF=y

1
target/linux/at91/config-4.9
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@ -69,7 +69,6 @@ CONFIG_CMA_AREAS=7
CONFIG_CMDLINE="console=ttyS0,115200 initrd=0x21100000,25165824 root=/dev/ram0 rw" CONFIG_CMDLINE="console=ttyS0,115200 initrd=0x21100000,25165824 root=/dev/ram0 rw"
CONFIG_COMMON_CLK=y CONFIG_COMMON_CLK=y
CONFIG_COMMON_CLK_AT91=y CONFIG_COMMON_CLK_AT91=y
CONFIG_COMPACTION=y
CONFIG_COMPAT_BRK=y CONFIG_COMPAT_BRK=y
CONFIG_CONFIGFS_FS=y CONFIG_CONFIGFS_FS=y
CONFIG_CONSOLE_TRANSLATIONS=y CONFIG_CONSOLE_TRANSLATIONS=y

2
target/linux/generic/config-3.18
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@ -654,7 +654,7 @@ CONFIG_CMDLINE=""
# CONFIG_COMMON_CLK_QCOM is not set # CONFIG_COMMON_CLK_QCOM is not set
# CONFIG_COMMON_CLK_SI5351 is not set # CONFIG_COMMON_CLK_SI5351 is not set
# CONFIG_COMMON_CLK_SI570 is not set # CONFIG_COMMON_CLK_SI570 is not set
# CONFIG_COMPACTION is not set CONFIG_COMPACTION=y
# CONFIG_COMPAL_LAPTOP is not set # CONFIG_COMPAL_LAPTOP is not set
# CONFIG_COMPAT_BRK is not set # CONFIG_COMPAT_BRK is not set
# CONFIG_COMPILE_TEST is not set # CONFIG_COMPILE_TEST is not set

2
target/linux/generic/config-4.14
View file

@ -811,7 +811,7 @@ CONFIG_CMDLINE=""
# CONFIG_COMMON_CLK_VERSATILE is not set # CONFIG_COMMON_CLK_VERSATILE is not set
# CONFIG_COMMON_CLK_XGENE is not set # CONFIG_COMMON_CLK_XGENE is not set
# CONFIG_COMMON_CLK_XLNX_CLKWZRD is not set # CONFIG_COMMON_CLK_XLNX_CLKWZRD is not set
# CONFIG_COMPACTION is not set CONFIG_COMPACTION=y
# CONFIG_COMPAL_LAPTOP is not set # CONFIG_COMPAL_LAPTOP is not set
# CONFIG_COMPAT_BRK is not set # CONFIG_COMPAT_BRK is not set
# CONFIG_COMPILE_TEST is not set # CONFIG_COMPILE_TEST is not set

2
target/linux/generic/config-4.9
View file

@ -764,7 +764,7 @@ CONFIG_CMDLINE=""
# CONFIG_COMMON_CLK_SI5351 is not set # CONFIG_COMMON_CLK_SI5351 is not set
# CONFIG_COMMON_CLK_SI570 is not set # CONFIG_COMMON_CLK_SI570 is not set
# CONFIG_COMMON_CLK_XLNX_CLKWZRD is not set # CONFIG_COMMON_CLK_XLNX_CLKWZRD is not set
# CONFIG_COMPACTION is not set CONFIG_COMPACTION=y
# CONFIG_COMPAL_LAPTOP is not set # CONFIG_COMPAL_LAPTOP is not set
# CONFIG_COMPAT_BRK is not set # CONFIG_COMPAT_BRK is not set
# CONFIG_COMPILE_TEST is not set # CONFIG_COMPILE_TEST is not set

1
target/linux/layerscape/armv7/config-4.9
View file

@ -146,7 +146,6 @@ CONFIG_COMMON_CLK_MAX77686=y
# CONFIG_COMMON_CLK_PALMAS is not set # CONFIG_COMMON_CLK_PALMAS is not set
# CONFIG_COMMON_CLK_RK808 is not set # CONFIG_COMMON_CLK_RK808 is not set
# CONFIG_COMMON_CLK_S2MPS11 is not set # CONFIG_COMMON_CLK_S2MPS11 is not set
CONFIG_COMPACTION=y
CONFIG_COMPAT_BRK=y CONFIG_COMPAT_BRK=y
CONFIG_CONFIGFS_FS=y CONFIG_CONFIGFS_FS=y
CONFIG_CONSOLE_TRANSLATIONS=y CONFIG_CONSOLE_TRANSLATIONS=y

1
target/linux/layerscape/armv8_32b/config-4.9
View file

@ -185,7 +185,6 @@ CONFIG_COMMON_CLK_MAX77686=y
# CONFIG_COMMON_CLK_PALMAS is not set # CONFIG_COMMON_CLK_PALMAS is not set
# CONFIG_COMMON_CLK_RK808 is not set # CONFIG_COMMON_CLK_RK808 is not set
# CONFIG_COMMON_CLK_S2MPS11 is not set # CONFIG_COMMON_CLK_S2MPS11 is not set
CONFIG_COMPACTION=y
CONFIG_COMPAT_BRK=y CONFIG_COMPAT_BRK=y
CONFIG_CONFIGFS_FS=y CONFIG_CONFIGFS_FS=y
CONFIG_CONSOLE_TRANSLATIONS=y CONFIG_CONSOLE_TRANSLATIONS=y

1
target/linux/layerscape/armv8_64b/config-4.9
View file

@ -205,7 +205,6 @@ CONFIG_COMMON_CLK_RK808=y
CONFIG_COMMON_CLK_S2MPS11=y CONFIG_COMMON_CLK_S2MPS11=y
CONFIG_COMMON_CLK_VERSATILE=y CONFIG_COMMON_CLK_VERSATILE=y
CONFIG_COMMON_CLK_XGENE=y CONFIG_COMMON_CLK_XGENE=y
CONFIG_COMPACTION=y
CONFIG_COMPAT=y CONFIG_COMPAT=y
CONFIG_COMPAT_BINFMT_ELF=y CONFIG_COMPAT_BINFMT_ELF=y
CONFIG_COMPAT_NETLINK_MESSAGES=y CONFIG_COMPAT_NETLINK_MESSAGES=y

1
target/linux/mediatek/mt7623/config-4.14
View file

@ -76,7 +76,6 @@ CONFIG_COMMON_CLK_MT2701_VDECSYS=y
# CONFIG_COMMON_CLK_MT7622 is not set # CONFIG_COMMON_CLK_MT7622 is not set
# CONFIG_COMMON_CLK_MT8135 is not set # CONFIG_COMMON_CLK_MT8135 is not set
# CONFIG_COMMON_CLK_MT8173 is not set # CONFIG_COMMON_CLK_MT8173 is not set
CONFIG_COMPACTION=y
CONFIG_COREDUMP=y CONFIG_COREDUMP=y
# CONFIG_CPUFREQ_DT is not set # CONFIG_CPUFREQ_DT is not set
CONFIG_CPU_32v6K=y CONFIG_CPU_32v6K=y

1
target/linux/octeontx/config-4.14
View file

@ -120,7 +120,6 @@ CONFIG_COMMON_CLK=y
CONFIG_COMMON_CLK_CS2000_CP=y CONFIG_COMMON_CLK_CS2000_CP=y
# CONFIG_COMMON_CLK_VERSATILE is not set # CONFIG_COMMON_CLK_VERSATILE is not set
CONFIG_COMMON_CLK_XGENE=y CONFIG_COMMON_CLK_XGENE=y
CONFIG_COMPACTION=y
CONFIG_COMPAT=y CONFIG_COMPAT=y
CONFIG_COMPAT_BINFMT_ELF=y CONFIG_COMPAT_BINFMT_ELF=y
CONFIG_COMPAT_NETLINK_MESSAGES=y CONFIG_COMPAT_NETLINK_MESSAGES=y

1
target/linux/oxnas/config-4.14
View file

@ -70,7 +70,6 @@ CONFIG_CMA_SIZE_SEL_MBYTES=y
CONFIG_CMDLINE_PARTITION=y CONFIG_CMDLINE_PARTITION=y
CONFIG_COMMON_CLK=y CONFIG_COMMON_CLK=y
CONFIG_COMMON_CLK_OXNAS=y CONFIG_COMMON_CLK_OXNAS=y
CONFIG_COMPACTION=y
CONFIG_COMPAT_BRK=y CONFIG_COMPAT_BRK=y
CONFIG_CONSOLE_TRANSLATIONS=y CONFIG_CONSOLE_TRANSLATIONS=y
CONFIG_CONTEXT_SWITCH_TRACER=y CONFIG_CONTEXT_SWITCH_TRACER=y

1
target/linux/samsung/s5pv210/config-4.14
View file

@ -59,7 +59,6 @@ CONFIG_CLKSRC_SAMSUNG_PWM=y
CONFIG_CLONE_BACKWARDS=y CONFIG_CLONE_BACKWARDS=y
CONFIG_COMMON_CLK=y CONFIG_COMMON_CLK=y
CONFIG_COMMON_CLK_SAMSUNG=y CONFIG_COMMON_CLK_SAMSUNG=y
CONFIG_COMPACTION=y
CONFIG_COMPAT_BRK=y CONFIG_COMPAT_BRK=y
CONFIG_CONSOLE_TRANSLATIONS=y CONFIG_CONSOLE_TRANSLATIONS=y
CONFIG_COREDUMP=y CONFIG_COREDUMP=y

1
target/linux/sunxi/config-4.14
View file

@ -76,7 +76,6 @@ CONFIG_CLKDEV_LOOKUP=y
CONFIG_CLKSRC_MMIO=y CONFIG_CLKSRC_MMIO=y
CONFIG_CLONE_BACKWARDS=y CONFIG_CLONE_BACKWARDS=y
CONFIG_COMMON_CLK=y CONFIG_COMMON_CLK=y
CONFIG_COMPACTION=y
CONFIG_CONFIGFS_FS=y CONFIG_CONFIGFS_FS=y
CONFIG_CONNECTOR=y CONFIG_CONNECTOR=y
CONFIG_CONSOLE_TRANSLATIONS=y CONFIG_CONSOLE_TRANSLATIONS=y

1
target/linux/x86/64/config-default
View file

@ -49,6 +49,7 @@ CONFIG_AUDIT_ARCH=y
CONFIG_BACKLIGHT_CLASS_DEVICE=y CONFIG_BACKLIGHT_CLASS_DEVICE=y
CONFIG_BACKLIGHT_GENERIC=y CONFIG_BACKLIGHT_GENERIC=y
CONFIG_BACKLIGHT_LCD_SUPPORT=y CONFIG_BACKLIGHT_LCD_SUPPORT=y
CONFIG_BALLOON_COMPACTION=y
CONFIG_BLK_DEV_INTEGRITY=y CONFIG_BLK_DEV_INTEGRITY=y
CONFIG_BLK_MQ_VIRTIO=y CONFIG_BLK_MQ_VIRTIO=y
# CONFIG_BOOTPARAM_HOTPLUG_CPU0 is not set # CONFIG_BOOTPARAM_HOTPLUG_CPU0 is not set

1
target/linux/x86/generic/config-default
View file

@ -47,6 +47,7 @@ CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC=y
CONFIG_BACKLIGHT_CLASS_DEVICE=y CONFIG_BACKLIGHT_CLASS_DEVICE=y
CONFIG_BACKLIGHT_GENERIC=y CONFIG_BACKLIGHT_GENERIC=y
CONFIG_BACKLIGHT_LCD_SUPPORT=y CONFIG_BACKLIGHT_LCD_SUPPORT=y
CONFIG_BALLOON_COMPACTION=y
CONFIG_BLK_DEV_SR=y CONFIG_BLK_DEV_SR=y
# CONFIG_BLK_DEV_SR_VENDOR is not set # CONFIG_BLK_DEV_SR_VENDOR is not set
CONFIG_BLK_MQ_VIRTIO=y CONFIG_BLK_MQ_VIRTIO=y