get_unmapped_area handles MAP_FIXED on x86_64
Handle MAP_FIXED in x86_64 arch_get_unmapped_area(), simple case, just return
the address as passed in
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/x86_64/kernel/sys_x86_64.c b/arch/x86_64/kernel/sys_x86_64.c
index 76bf7c2..f891931 100644
--- a/arch/x86_64/kernel/sys_x86_64.c
+++ b/arch/x86_64/kernel/sys_x86_64.c
@@ -93,6 +93,9 @@
unsigned long start_addr;
unsigned long begin, end;
+ if (flags & MAP_FIXED)
+ return addr;
+
find_start_end(flags, &begin, &end);
if (len > end)