diff options
| -rw-r--r-- | arch/arm/configs/clps711x_defconfig | 3 | ||||
| -rw-r--r-- | arch/arm/configs/collie_defconfig | 3 | ||||
| -rw-r--r-- | arch/arm/configs/multi_v4t_defconfig | 3 | ||||
| -rw-r--r-- | arch/arm/configs/omap1_defconfig | 3 | ||||
| -rw-r--r-- | arch/arm/configs/pxa_defconfig | 3 | ||||
| -rw-r--r-- | arch/arm/configs/tct_hammer_defconfig | 3 | ||||
| -rw-r--r-- | arch/arm/configs/xcep_defconfig | 3 | ||||
| -rw-r--r-- | arch/openrisc/configs/or1ksim_defconfig | 3 | ||||
| -rw-r--r-- | arch/openrisc/configs/simple_smp_defconfig | 3 | ||||
| -rw-r--r-- | arch/riscv/configs/nommu_k210_defconfig | 3 | ||||
| -rw-r--r-- | arch/riscv/configs/nommu_k210_sdcard_defconfig | 3 | ||||
| -rw-r--r-- | arch/riscv/configs/nommu_virt_defconfig | 3 | ||||
| -rw-r--r-- | arch/sh/configs/rsk7201_defconfig | 3 | ||||
| -rw-r--r-- | arch/sh/configs/rsk7203_defconfig | 3 | ||||
| -rw-r--r-- | arch/sh/configs/se7206_defconfig | 3 | ||||
| -rw-r--r-- | arch/sh/configs/shmin_defconfig | 3 | ||||
| -rw-r--r-- | arch/sh/configs/shx3_defconfig | 3 | ||||
| -rw-r--r-- | kernel/configs/tiny.config | 5 | ||||
| -rw-r--r-- | mm/Kconfig | 17 |
19 files changed, 52 insertions, 21 deletions
diff --git a/arch/arm/configs/clps711x_defconfig b/arch/arm/configs/clps711x_defconfig index 92481b2a88fa..adcee238822a 100644 --- a/arch/arm/configs/clps711x_defconfig +++ b/arch/arm/configs/clps711x_defconfig @@ -14,7 +14,8 @@ CONFIG_ARCH_EDB7211=y CONFIG_ARCH_P720T=y CONFIG_AEABI=y # CONFIG_COREDUMP is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y diff --git a/arch/arm/configs/collie_defconfig b/arch/arm/configs/collie_defconfig index 2a2d2cb3ce2e..69341c33e0cc 100644 --- a/arch/arm/configs/collie_defconfig +++ b/arch/arm/configs/collie_defconfig @@ -13,7 +13,8 @@ CONFIG_CMDLINE="noinitrd root=/dev/mtdblock2 rootfstype=jffs2 fbcon=rotate:1" CONFIG_FPE_NWFPE=y CONFIG_PM=y # CONFIG_SWAP is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y diff --git a/arch/arm/configs/multi_v4t_defconfig b/arch/arm/configs/multi_v4t_defconfig index e2fd822f741a..b60000a89aff 100644 --- a/arch/arm/configs/multi_v4t_defconfig +++ b/arch/arm/configs/multi_v4t_defconfig @@ -25,7 +25,8 @@ CONFIG_ARM_CLPS711X_CPUIDLE=y CONFIG_JUMP_LABEL=y CONFIG_PARTITION_ADVANCED=y # CONFIG_COREDUMP is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y CONFIG_MTD=y CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_BLOCK=y diff --git a/arch/arm/configs/omap1_defconfig b/arch/arm/configs/omap1_defconfig index 70511fe4b3ec..246f1bba7df5 100644 --- a/arch/arm/configs/omap1_defconfig +++ b/arch/arm/configs/omap1_defconfig @@ -42,7 +42,8 @@ CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_PARTITION_ADVANCED=y CONFIG_BINFMT_MISC=y # CONFIG_SWAP is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y # CONFIG_VM_EVENT_COUNTERS is not set CONFIG_NET=y CONFIG_PACKET=y diff --git a/arch/arm/configs/pxa_defconfig b/arch/arm/configs/pxa_defconfig index d60cc9cc4c21..0a0f12df40b5 100644 --- a/arch/arm/configs/pxa_defconfig +++ b/arch/arm/configs/pxa_defconfig @@ -49,7 +49,8 @@ CONFIG_PARTITION_ADVANCED=y CONFIG_LDM_PARTITION=y CONFIG_CMDLINE_PARTITION=y CONFIG_BINFMT_MISC=y -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y # CONFIG_COMPACTION is not set CONFIG_NET=y CONFIG_PACKET=y diff --git a/arch/arm/configs/tct_hammer_defconfig b/arch/arm/configs/tct_hammer_defconfig index 3b29ae1fb750..6bd38b6f22c4 100644 --- a/arch/arm/configs/tct_hammer_defconfig +++ b/arch/arm/configs/tct_hammer_defconfig @@ -19,7 +19,8 @@ CONFIG_FPE_NWFPE=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y # CONFIG_SWAP is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y diff --git a/arch/arm/configs/xcep_defconfig b/arch/arm/configs/xcep_defconfig index ea59e4b6bfc5..6bd9f71b71fc 100644 --- a/arch/arm/configs/xcep_defconfig +++ b/arch/arm/configs/xcep_defconfig @@ -26,7 +26,8 @@ CONFIG_MODULE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y # CONFIG_BLOCK is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y # CONFIG_COMPAT_BRK is not set # CONFIG_VM_EVENT_COUNTERS is not set CONFIG_NET=y diff --git a/arch/openrisc/configs/or1ksim_defconfig b/arch/openrisc/configs/or1ksim_defconfig index 6e1e004047c7..0116e465238f 100644 --- a/arch/openrisc/configs/or1ksim_defconfig +++ b/arch/openrisc/configs/or1ksim_defconfig @@ -10,7 +10,8 @@ CONFIG_EXPERT=y # CONFIG_AIO is not set # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_COMPAT_BRK is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y CONFIG_MODULES=y # CONFIG_BLOCK is not set CONFIG_OPENRISC_BUILTIN_DTB="or1ksim" diff --git a/arch/openrisc/configs/simple_smp_defconfig b/arch/openrisc/configs/simple_smp_defconfig index ff49d868e040..b990cb6c9309 100644 --- a/arch/openrisc/configs/simple_smp_defconfig +++ b/arch/openrisc/configs/simple_smp_defconfig @@ -16,7 +16,8 @@ CONFIG_EXPERT=y # CONFIG_AIO is not set # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_COMPAT_BRK is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y CONFIG_MODULES=y # CONFIG_BLOCK is not set CONFIG_OPENRISC_BUILTIN_DTB="simple_smp" diff --git a/arch/riscv/configs/nommu_k210_defconfig b/arch/riscv/configs/nommu_k210_defconfig index 96fe8def644c..79b3ccd58ff0 100644 --- a/arch/riscv/configs/nommu_k210_defconfig +++ b/arch/riscv/configs/nommu_k210_defconfig @@ -25,7 +25,8 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_EMBEDDED=y # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_COMPAT_BRK is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y # CONFIG_MMU is not set CONFIG_SOC_CANAAN=y CONFIG_NONPORTABLE=y diff --git a/arch/riscv/configs/nommu_k210_sdcard_defconfig b/arch/riscv/configs/nommu_k210_sdcard_defconfig index 379740654373..6b80bb13b8ed 100644 --- a/arch/riscv/configs/nommu_k210_sdcard_defconfig +++ b/arch/riscv/configs/nommu_k210_sdcard_defconfig @@ -17,7 +17,8 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_EMBEDDED=y # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_COMPAT_BRK is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y # CONFIG_MMU is not set CONFIG_SOC_CANAAN=y CONFIG_NONPORTABLE=y diff --git a/arch/riscv/configs/nommu_virt_defconfig b/arch/riscv/configs/nommu_virt_defconfig index 1a56eda5ce46..4cf0f297091e 100644 --- a/arch/riscv/configs/nommu_virt_defconfig +++ b/arch/riscv/configs/nommu_virt_defconfig @@ -22,7 +22,8 @@ CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set # CONFIG_VM_EVENT_COUNTERS is not set # CONFIG_COMPAT_BRK is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y # CONFIG_MMU is not set CONFIG_SOC_VIRT=y CONFIG_NONPORTABLE=y diff --git a/arch/sh/configs/rsk7201_defconfig b/arch/sh/configs/rsk7201_defconfig index 619c18699459..376e95fa77bc 100644 --- a/arch/sh/configs/rsk7201_defconfig +++ b/arch/sh/configs/rsk7201_defconfig @@ -10,7 +10,8 @@ CONFIG_USER_NS=y CONFIG_PID_NS=y CONFIG_BLK_DEV_INITRD=y # CONFIG_AIO is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y CONFIG_PROFILING=y CONFIG_MODULES=y # CONFIG_BLK_DEV_BSG is not set diff --git a/arch/sh/configs/rsk7203_defconfig b/arch/sh/configs/rsk7203_defconfig index d00fafc021e1..1d5fd67a3949 100644 --- a/arch/sh/configs/rsk7203_defconfig +++ b/arch/sh/configs/rsk7203_defconfig @@ -11,7 +11,8 @@ CONFIG_USER_NS=y CONFIG_PID_NS=y CONFIG_BLK_DEV_INITRD=y CONFIG_KALLSYMS_ALL=y -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y CONFIG_PROFILING=y CONFIG_MODULES=y # CONFIG_BLK_DEV_BSG is not set diff --git a/arch/sh/configs/se7206_defconfig b/arch/sh/configs/se7206_defconfig index 122216123e63..78e0e7be57ee 100644 --- a/arch/sh/configs/se7206_defconfig +++ b/arch/sh/configs/se7206_defconfig @@ -21,7 +21,8 @@ CONFIG_BLK_DEV_INITRD=y CONFIG_KALLSYMS_ALL=y # CONFIG_ELF_CORE is not set # CONFIG_COMPAT_BRK is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y CONFIG_PROFILING=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y diff --git a/arch/sh/configs/shmin_defconfig b/arch/sh/configs/shmin_defconfig index c0b6f40d01cc..e078b193a78a 100644 --- a/arch/sh/configs/shmin_defconfig +++ b/arch/sh/configs/shmin_defconfig @@ -9,7 +9,8 @@ CONFIG_LOG_BUF_SHIFT=14 # CONFIG_FUTEX is not set # CONFIG_EPOLL is not set # CONFIG_SHMEM is not set -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y # CONFIG_BLK_DEV_BSG is not set CONFIG_CPU_SUBTYPE_SH7706=y CONFIG_MEMORY_START=0x0c000000 diff --git a/arch/sh/configs/shx3_defconfig b/arch/sh/configs/shx3_defconfig index 32ec6eb1eabc..aa353dff7f19 100644 --- a/arch/sh/configs/shx3_defconfig +++ b/arch/sh/configs/shx3_defconfig @@ -20,7 +20,8 @@ CONFIG_USER_NS=y CONFIG_PID_NS=y # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_KALLSYMS_ALL=y -CONFIG_SLOB=y +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y CONFIG_PROFILING=y CONFIG_KPROBES=y CONFIG_MODULES=y diff --git a/kernel/configs/tiny.config b/kernel/configs/tiny.config index 8a44b93da0f3..c2f9c912df1c 100644 --- a/kernel/configs/tiny.config +++ b/kernel/configs/tiny.config @@ -7,5 +7,6 @@ CONFIG_KERNEL_XZ=y # CONFIG_KERNEL_LZO is not set # CONFIG_KERNEL_LZ4 is not set # CONFIG_SLAB is not set -# CONFIG_SLUB is not set -CONFIG_SLOB=y +# CONFIG_SLOB_DEPRECATED is not set +CONFIG_SLUB=y +CONFIG_SLUB_TINY=y diff --git a/mm/Kconfig b/mm/Kconfig index 6701d72d3037..623d95659ff9 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -219,17 +219,30 @@ config SLUB and has enhanced diagnostics. SLUB is the default choice for a slab allocator. -config SLOB +config SLOB_DEPRECATED depends on EXPERT - bool "SLOB (Simple Allocator)" + bool "SLOB (Simple Allocator - DEPRECATED)" depends on !PREEMPT_RT help + Deprecated and scheduled for removal in a few cycles. SLUB + recommended as replacement. CONFIG_SLUB_TINY can be considered + on systems with 16MB or less RAM. + + If you need SLOB to stay, please contact linux-mm@kvack.org and + people listed in the SLAB ALLOCATOR section of MAINTAINERS file, + with your use case. + SLOB replaces the stock allocator with a drastically simpler allocator. SLOB is generally more space efficient but does not perform as well on large systems. endchoice +config SLOB + bool + default y + depends on SLOB_DEPRECATED + config SLUB_TINY bool "Configure SLUB for minimal memory footprint" depends on SLUB && EXPERT |