diff options
Diffstat (limited to 'init/Kconfig')
-rw-r--r-- | init/Kconfig | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/init/Kconfig b/init/Kconfig index 90003163e557..f068071fcc5d 100644 --- a/init/Kconfig +++ b/init/Kconfig | |||
@@ -683,8 +683,6 @@ menuconfig EMBEDDED | |||
683 | environments which can tolerate a "non-standard" kernel. | 683 | environments which can tolerate a "non-standard" kernel. |
684 | Only use this if you really know what you are doing. | 684 | Only use this if you really know what you are doing. |
685 | 685 | ||
686 | if EMBEDDED | ||
687 | |||
688 | config UID16 | 686 | config UID16 |
689 | bool "Enable 16-bit UID system calls" if EMBEDDED | 687 | bool "Enable 16-bit UID system calls" if EMBEDDED |
690 | depends on ARM || BLACKFIN || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && COMPAT) || UML || (X86_64 && IA32_EMULATION) | 688 | depends on ARM || BLACKFIN || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && COMPAT) || UML || (X86_64 && IA32_EMULATION) |
@@ -782,6 +780,18 @@ config PCSPKR_PLATFORM | |||
782 | This option allows to disable the internal PC-Speaker | 780 | This option allows to disable the internal PC-Speaker |
783 | support, saving some memory. | 781 | support, saving some memory. |
784 | 782 | ||
783 | config COMPAT_BRK | ||
784 | bool "Disable heap randomization" | ||
785 | default y | ||
786 | help | ||
787 | Randomizing heap placement makes heap exploits harder, but it | ||
788 | also breaks ancient binaries (including anything libc5 based). | ||
789 | This option changes the bootup default to heap randomization | ||
790 | disabled, and can be overriden runtime by setting | ||
791 | /proc/sys/kernel/randomize_va_space to 2. | ||
792 | |||
793 | On non-ancient distros (post-2000 ones) N is usually a safe choice. | ||
794 | |||
785 | config BASE_FULL | 795 | config BASE_FULL |
786 | default y | 796 | default y |
787 | bool "Enable full-sized data structures for core" if EMBEDDED | 797 | bool "Enable full-sized data structures for core" if EMBEDDED |
@@ -887,20 +897,6 @@ config SLUB_DEBUG | |||
887 | SLUB sysfs support. /sys/slab will not exist and there will be | 897 | SLUB sysfs support. /sys/slab will not exist and there will be |
888 | no support for cache validation etc. | 898 | no support for cache validation etc. |
889 | 899 | ||
890 | endif # EMBEDDED | ||
891 | |||
892 | config COMPAT_BRK | ||
893 | bool "Disable heap randomization" | ||
894 | default y | ||
895 | help | ||
896 | Randomizing heap placement makes heap exploits harder, but it | ||
897 | also breaks ancient binaries (including anything libc5 based). | ||
898 | This option changes the bootup default to heap randomization | ||
899 | disabled, and can be overriden runtime by setting | ||
900 | /proc/sys/kernel/randomize_va_space to 2. | ||
901 | |||
902 | On non-ancient distros (post-2000 ones) N is usually a safe choice. | ||
903 | |||
904 | choice | 900 | choice |
905 | prompt "Choose SLAB allocator" | 901 | prompt "Choose SLAB allocator" |
906 | default SLUB | 902 | default SLUB |