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-rw-r--r--arch/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 6ad00ad73459..640999412d11 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -700,6 +700,13 @@ config ARCH_MMAP_RND_COMPAT_BITS
This value can be changed after boot using the
/proc/sys/vm/mmap_rnd_compat_bits tunable
+config HAVE_ARCH_COMPAT_MMAP_BASES
+ bool
+ help
+ This allows 64bit applications to invoke 32-bit mmap() syscall
+ and vice-versa 32-bit applications to call 64-bit mmap().
+ Required for applications doing different bitness syscalls.
+
config HAVE_COPY_THREAD_TLS
bool
help