diff options
Diffstat (limited to 'init/Kconfig')
| -rw-r--r-- | init/Kconfig | 50 |
1 files changed, 16 insertions, 34 deletions
diff --git a/init/Kconfig b/init/Kconfig index 42b69ee29dca..719871f8727c 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -530,7 +530,7 @@ config SCHED_THERMAL_PRESSURE i.e. put less load on throttled CPUs than on non/less throttled ones. This requires the architecture to implement - arch_set_thermal_pressure() and arch_get_thermal_pressure(). + arch_set_thermal_pressure() and arch_scale_thermal_pressure(). config BSD_PROCESS_ACCT bool "BSD Process Accounting" @@ -1199,6 +1199,7 @@ endif # NAMESPACES config CHECKPOINT_RESTORE bool "Checkpoint/restore support" select PROC_CHILDREN + select KCMP default n help Enables additional kernel features in a sake of checkpoint/restore. @@ -1742,6 +1743,16 @@ config ARCH_HAS_MEMBARRIER_CALLBACKS config ARCH_HAS_MEMBARRIER_SYNC_CORE bool +config KCMP + bool "Enable kcmp() system call" if EXPERT + help + Enable the kernel resource comparison system call. It provides + user-space with the ability to compare two processes to see if they + share a common resource, such as a file descriptor or even virtual + memory space. + + If unsure, say N. + config RSEQ bool "Enable rseq() system call" if EXPERT default y @@ -1856,20 +1867,6 @@ config SLUB_DEBUG SLUB sysfs support. /sys/slab will not exist and there will be no support for cache validation etc. -config SLUB_MEMCG_SYSFS_ON - default n - bool "Enable memcg SLUB sysfs support by default" if EXPERT - depends on SLUB && SYSFS && MEMCG - help - SLUB creates a directory under /sys/kernel/slab for each - allocation cache to host info and debug files. If memory - cgroup is enabled, each cache can have per memory cgroup - caches. SLUB can create the same sysfs directories for these - caches under /sys/kernel/slab/CACHE/cgroup but it can lead - to a very high number of debug files being created. This is - controlled by slub_memcg_sysfs boot parameter and this - config option determines the parameter's default value. - config COMPAT_BRK bool "Disable heap randomization" default y @@ -2029,7 +2026,7 @@ config PROFILING bool "Profiling support" help Say Y here to enable the extended profiling support mechanisms used - by profilers such as OProfile. + by profilers. # # Place an empty function call at each tracepoint site. Can be @@ -2267,25 +2264,9 @@ config MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS If unsure, say N. -config UNUSED_SYMBOLS - bool "Enable unused/obsolete exported symbols" - default y if X86 - help - Unused but exported symbols make the kernel needlessly bigger. For - that reason most of these unused exports will soon be removed. This - option is provided temporarily to provide a transition period in case - some external kernel module needs one of these symbols anyway. If you - encounter such a case in your module, consider if you are actually - using the right API. (rationale: since nobody in the kernel is using - this in a module, there is a pretty good chance it's actually the - wrong interface to use). If you really need the symbol, please send a - mail to the linux kernel mailing list mentioning the symbol and why - you really need it, and what the merge plan to the mainline kernel for - your module is. - config TRIM_UNUSED_KSYMS - bool "Trim unused exported kernel symbols" - depends on !UNUSED_SYMBOLS + bool "Trim unused exported kernel symbols" if EXPERT + depends on !COMPILE_TEST help The kernel and some modules make many symbols available for other modules to use via EXPORT_SYMBOL() and variants. Depending @@ -2302,6 +2283,7 @@ config TRIM_UNUSED_KSYMS config UNUSED_KSYMS_WHITELIST string "Whitelist of symbols to keep in ksymtab" depends on TRIM_UNUSED_KSYMS + default "scripts/lto-used-symbollist.txt" if LTO_CLANG help By default, all unused exported symbols will be un-exported from the build when TRIM_UNUSED_KSYMS is selected. |