diff --git a/kernel/ps4_map_mm.pas b/kernel/ps4_map_mm.pas
index 1f2ab373..2833a299 100644
--- a/kernel/ps4_map_mm.pas
+++ b/kernel/ps4_map_mm.pas
@@ -355,7 +355,9 @@ end;
 
 function ps4_sceKernelGetDirectMemorySize:Int64; SysV_ABI_CDecl;
 begin
- Result:=SCE_KERNEL_MAIN_DMEM_SIZE-(448*1024*1024);
+ //5184 MiB - 512 MiB
+ Result:=(5184*1024*1024)-(512*1024*1024);
+ //Result:=SCE_KERNEL_MAIN_DMEM_SIZE-(448*1024*1024);
 end;
 
 function ps4_getpagesize:Integer; SysV_ABI_CDecl;
diff --git a/kernel/ps4_pthread.pas b/kernel/ps4_pthread.pas
index d9735f38..61f7cc01 100644
--- a/kernel/ps4_pthread.pas
+++ b/kernel/ps4_pthread.pas
@@ -672,18 +672,12 @@ end;
 
 function ps4_scePthreadEqual(t1,t2:pthread):Integer; SysV_ABI_CDecl;
 begin
- if (t1=t2) then
-  Result:=1
- else
-  Result:=0;
+ Result:=px2sce(ps4_pthread_equal(t1,t2));
 end;
 
 function ps4_pthread_equal(t1,t2:pthread):Integer; SysV_ABI_CDecl;
 begin
- if (t1=t2) then
-  Result:=1
- else
-  Result:=0;
+ Result:=ord(t1=t2);
 end;
 
 procedure ps4_scePthreadExit(value_ptr:Pointer); SysV_ABI_CDecl;
diff --git a/vulkan/vHostBufferManager.pas b/vulkan/vHostBufferManager.pas
index 6b2ff0fe..ee93cea8 100644
--- a/vulkan/vHostBufferManager.pas
+++ b/vulkan/vHostBufferManager.pas
@@ -110,7 +110,7 @@ begin
  Result:=(Addr-pAlign);
 
  Addr:=pAlign;
- Size:=Max(Size+Result,mr.size);
+ Size:=Size+Result;
 end;
 
 function _is_sparce(Addr:Pointer;Size:TVkDeviceSize;usage:TVkFlags):Integer;