diff options
| -rw-r--r-- | init/Kconfig | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/init/Kconfig b/init/Kconfig index f068071fcc5d..90003163e557 100644 --- a/init/Kconfig +++ b/init/Kconfig | |||
| @@ -683,6 +683,8 @@ 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 | |||
| 686 | config UID16 | 688 | config UID16 |
| 687 | bool "Enable 16-bit UID system calls" if EMBEDDED | 689 | bool "Enable 16-bit UID system calls" if EMBEDDED |
| 688 | depends on ARM || BLACKFIN || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && COMPAT) || UML || (X86_64 && IA32_EMULATION) | 690 | depends on ARM || BLACKFIN || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && COMPAT) || UML || (X86_64 && IA32_EMULATION) |
| @@ -780,18 +782,6 @@ config PCSPKR_PLATFORM | |||
| 780 | This option allows to disable the internal PC-Speaker | 782 | This option allows to disable the internal PC-Speaker |
| 781 | support, saving some memory. | 783 | support, saving some memory. |
| 782 | 784 | ||
| 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 | |||
| 795 | config BASE_FULL | 785 | config BASE_FULL |
| 796 | default y | 786 | default y |
| 797 | bool "Enable full-sized data structures for core" if EMBEDDED | 787 | bool "Enable full-sized data structures for core" if EMBEDDED |
| @@ -897,6 +887,20 @@ config SLUB_DEBUG | |||
| 897 | SLUB sysfs support. /sys/slab will not exist and there will be | 887 | SLUB sysfs support. /sys/slab will not exist and there will be |
| 898 | no support for cache validation etc. | 888 | no support for cache validation etc. |
| 899 | 889 | ||
| 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 | |||
| 900 | choice | 904 | choice |
| 901 | prompt "Choose SLAB allocator" | 905 | prompt "Choose SLAB allocator" |
| 902 | default SLUB | 906 | default SLUB |
