anv/allocator: Use a signed 32-bit offset for the free list

This has the unfortunate side-effect of making it so that we can't have a
block pool bigger than 1GB.  However, that's unlikely to happen and, for
the sake of bi-directional block pools, we need to negative offsets.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/vulkan/anv_private.h b/src/vulkan/anv_private.h
index 5931e0af98d..ef7c7083bb0 100644
--- a/src/vulkan/anv_private.h
+++ b/src/vulkan/anv_private.h
@@ -229,7 +229,7 @@ struct anv_bo {
  */
 union anv_free_list {
    struct {
-      uint32_t offset;
+      int32_t offset;
 
       /* A simple count that is incremented every time the head changes. */
       uint32_t count;