exec: Restrict memory-internal.h to system/

Only file units within the system/ directory need access to
"memory-internal.h". Restrict its scope by moving it there.

The comment from commit 9d70618c68 ("memory-internal.h:
Remove obsolete claim that header is obsolete") is now obsolete,
remove it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250317161329.40300-3-philmd@linaro.org>

MAINTAINERS

@@ -3129,7 +3129,7 @@ F: system/ioport.c
 F: system/memory.c
 F: system/memory_mapping.c
 F: system/physmem.c
-F: include/exec/memory-internal.h
+F: system/memory-internal.h
 F: scripts/coccinelle/memory-region-housekeeping.cocci
 
 Memory devices

system/memory-internal.h

@@ -11,12 +11,6 @@
  *
  */
 
-/*
- * This header is for use by exec.c, memory.c and accel/tcg/cputlb.c ONLY,
- * for declarations which are shared between the memory subsystem's
- * internals and the TCG TLB code. Do not include it from elsewhere.
- */
-
 #ifndef MEMORY_INTERNAL_H
 #define MEMORY_INTERNAL_H
 

system/memory.c

@@ -24,8 +24,6 @@
 #include "qemu/qemu-print.h"
 #include "qom/object.h"
 #include "trace.h"
-
-#include "exec/memory-internal.h"
 #include "system/ram_addr.h"
 #include "system/kvm.h"
 #include "system/runstate.h"
@@ -35,6 +33,8 @@
 #include "migration/vmstate.h"
 #include "system/address-spaces.h"
 
+#include "memory-internal.h"
+
 //#define DEBUG_UNASSIGNED
 
 static unsigned memory_region_transaction_depth;

system/physmem.c

@@ -66,7 +66,6 @@
 #include "qemu/main-loop.h"
 #include "system/replay.h"
 
-#include "exec/memory-internal.h"
 #include "system/ram_addr.h"
 
 #include "qemu/pmem.h"
@@ -88,6 +87,8 @@
 #include <daxctl/libdaxctl.h>
 #endif
 
+#include "memory-internal.h"
+
 //#define DEBUG_SUBPAGE
 
 /* ram_list is read under rcu_read_lock()/rcu_read_unlock().  Writes