Merge branches 'release' and 'stats' into release

[linux-2.6] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index aaa7e7d5305e19ce63daa095c1da34f552ea23b7..92b23e256614ccdb11b94523043551d45fb15036 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -541,6 +541,18 @@ config ELF_CORE
        help
          Enable support for generating core dumps. Disabling saves about 4k.
 
+config COMPAT_BRK
+       bool "Disable heap randomization"
+       default y
+       help
+         Randomizing heap placement makes heap exploits harder, but it
+         also breaks ancient binaries (including anything libc5 based).
+         This option changes the bootup default to heap randomization
+         disabled, and can be overriden runtime by setting
+         /proc/sys/kernel/randomize_va_space to 2.
+
+         On non-ancient distros (post-2000 ones) Y is usually a safe choice.
+
 config BASE_FULL
        default y
        bool "Enable full-sized data structures for core" if EMBEDDED
@@ -656,11 +668,9 @@ config SLOB
        depends on EMBEDDED
        bool "SLOB (Simple Allocator)"
        help
-          SLOB replaces the SLAB allocator with a drastically simpler
-          allocator.  SLOB is more space efficient than SLAB but does not
-          scale well (single lock for all operations) and is also highly
-          susceptible to fragmentation. SLUB can accomplish a higher object
-          density. It is usually better to use SLUB instead of SLOB.
+          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