make DEFAULT_MMAP_MIN_ADDR match LSM_MMAP_MIN_ADDR

Signed-off-by: Daniel Micay <danielmicay@gmail.com>
anthraxx · Apr 4, 2020 · f1fe0a6 · f1fe0a6
1 parent 9fbe5c8
commit f1fe0a6
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/mm/Kconfig b/mm/Kconfig
@@ -304,7 +304,8 @@ config KSM
 config DEFAULT_MMAP_MIN_ADDR
 	int "Low address space to protect from user allocation"
 	depends on MMU
-	default 4096
+	default 32768 if ARM || (ARM64 && COMPAT)
+	default 65536
 	help
 	  This is the portion of low virtual memory which should be protected
 	  from userspace allocation.  Keeping a user from writing to low pages