[Qemu-devel] [PATCH 2/5] exec: Don't make DEFAULT_CODE_GEN_BUFFER_SIZE too large

[Richard Henderson]

For ARM we cap the buffer size to 16MB.  Do not allocate 32MB in that case.

Signed-off-by: Richard Henderson <address@hidden>
---
 exec.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/exec.c b/exec.c
index eecae2f..6c0b2d7 100644
--- a/exec.c
+++ b/exec.c
@@ -529,7 +529,11 @@ bool memory_region_is_unassigned(MemoryRegion *mr)
 # define MAX_CODE_GEN_BUFFER_SIZE  ((size_t)-1)
 #endif
 
-#define DEFAULT_CODE_GEN_BUFFER_SIZE (32u * 1024 * 1024)
+#define DEFAULT_CODE_GEN_BUFFER_SIZE_1 (32u * 1024 * 1024)
+
+#define DEFAULT_CODE_GEN_BUFFER_SIZE \
+  (DEFAULT_CODE_GEN_BUFFER_SIZE_1 < MAX_CODE_GEN_BUFFER_SIZE \
+   ? DEFAULT_CODE_GEN_BUFFER_SIZE_1 : MAX_CODE_GEN_BUFFER_SIZE)
 
 static inline size_t size_code_gen_buffer(size_t tb_size)
 {
-- 
1.7.11.7