vnc: palette: use a pool to reduce memory allocations

We now that the palette will never have more than 256
elements. Let's use a pool to reduce malloc calls.

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/ui/vnc-palette.h b/ui/vnc-palette.h
index d0645ebde8..f57d0e7405 100644
--- a/ui/vnc-palette.h
+++ b/ui/vnc-palette.h
@@ -34,6 +34,7 @@
 #include <stdint.h>
 
 #define VNC_PALETTE_HASH_SIZE 256
+#define VNC_PALETTE_MAX_SIZE  256
 
 typedef struct VncPaletteEntry {
     int idx;
@@ -42,7 +43,7 @@ typedef struct VncPaletteEntry {
 } VncPaletteEntry;
 
 typedef struct VncPalette {
-    QObject_HEAD;
+    VncPaletteEntry pool[VNC_PALETTE_MAX_SIZE];
     size_t size;
     size_t max;
     int bpp;