git-branch: show detached HEAD

diff --git a/git-compat-util.h b/git-compat-util.h
index f243b86d3296579a130220ba5cde74ec954f429d..e023bf141363d87abfef358134e484ea85f32a15 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -97,11 +97,15 @@ extern int git_munmap(void *start, size_t length);
 #else /* NO_MMAP */
 
 #include <sys/mman.h>
-#define DEFAULT_PACKED_GIT_WINDOW_SIZE (32 * 1024 * 1024)
+#define DEFAULT_PACKED_GIT_WINDOW_SIZE \
+       (sizeof(void*) >= 8 \
+               ?  1 * 1024 * 1024 * 1024 \
+               : 32 * 1024 * 1024)
 
 #endif /* NO_MMAP */
 
-#define DEFAULT_PACKED_GIT_LIMIT (256 * 1024 * 1024)
+#define DEFAULT_PACKED_GIT_LIMIT \
+       ((1024L * 1024L) * (sizeof(void*) >= 8 ? 8192 : 256))
 
 #ifdef NO_SETENV
 #define setenv gitsetenv