Rename the HostMemoryBackend.guest_memfd field to reflect what it really
means, on whether it needs guest_memfd to back its private portion of
mapping.  This will help on clearance when we introduce in-place
guest_memfd for hostmem.

Signed-off-by: Peter Xu <peterx@redhat.com>
---
 include/system/hostmem.h | 2 +-
 backends/hostmem-file.c  | 2 +-
 backends/hostmem-memfd.c | 2 +-
 backends/hostmem-ram.c   | 2 +-
 backends/hostmem.c       | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/system/hostmem.h b/include/system/hostmem.h
index 88fa791ac7..dcbf81aeae 100644
--- a/include/system/hostmem.h
+++ b/include/system/hostmem.h
@@ -76,7 +76,7 @@ struct HostMemoryBackend {
     uint64_t size;
     bool merge, dump, use_canonical_path;
     bool prealloc, is_mapped, share, reserve;
-    bool guest_memfd, aligned;
+    bool guest_memfd_private, aligned;
     uint32_t prealloc_threads;
     ThreadContext *prealloc_context;
     DECLARE_BITMAP(host_nodes, MAX_NODES + 1);
diff --git a/backends/hostmem-file.c b/backends/hostmem-file.c
index 1f20cd8fd6..0e4cfd6dc6 100644
--- a/backends/hostmem-file.c
+++ b/backends/hostmem-file.c
@@ -86,7 +86,7 @@ file_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
     ram_flags |= fb->readonly ? RAM_READONLY_FD : 0;
     ram_flags |= fb->rom == ON_OFF_AUTO_ON ? RAM_READONLY : 0;
     ram_flags |= backend->reserve ? 0 : RAM_NORESERVE;
-    ram_flags |= backend->guest_memfd ? RAM_GUEST_MEMFD_PRIVATE : 0;
+    ram_flags |= backend->guest_memfd_private ? RAM_GUEST_MEMFD_PRIVATE : 0;
     ram_flags |= fb->is_pmem ? RAM_PMEM : 0;
     ram_flags |= RAM_NAMED_FILE;
     return memory_region_init_ram_from_file(&backend->mr, OBJECT(backend), name,
diff --git a/backends/hostmem-memfd.c b/backends/hostmem-memfd.c
index 3f3e485709..ea93f034e4 100644
--- a/backends/hostmem-memfd.c
+++ b/backends/hostmem-memfd.c
@@ -60,7 +60,7 @@ have_fd:
     backend->aligned = true;
     ram_flags = backend->share ? RAM_SHARED : RAM_PRIVATE;
     ram_flags |= backend->reserve ? 0 : RAM_NORESERVE;
-    ram_flags |= backend->guest_memfd ? RAM_GUEST_MEMFD_PRIVATE : 0;
+    ram_flags |= backend->guest_memfd_private ? RAM_GUEST_MEMFD_PRIVATE : 0;
     return memory_region_init_ram_from_fd(&backend->mr, OBJECT(backend), name,
                                           backend->size, ram_flags, fd, 0, errp);
 }
diff --git a/backends/hostmem-ram.c b/backends/hostmem-ram.c
index 96ad29112d..6a507fad77 100644
--- a/backends/hostmem-ram.c
+++ b/backends/hostmem-ram.c
@@ -30,7 +30,7 @@ ram_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
     name = host_memory_backend_get_name(backend);
     ram_flags = backend->share ? RAM_SHARED : RAM_PRIVATE;
     ram_flags |= backend->reserve ? 0 : RAM_NORESERVE;
-    ram_flags |= backend->guest_memfd ? RAM_GUEST_MEMFD_PRIVATE : 0;
+    ram_flags |= backend->guest_memfd_private ? RAM_GUEST_MEMFD_PRIVATE : 0;
     return memory_region_init_ram_flags_nomigrate(&backend->mr, OBJECT(backend),
                                                   name, backend->size,
                                                   ram_flags, errp);
diff --git a/backends/hostmem.c b/backends/hostmem.c
index 35734d6f4d..70450733db 100644
--- a/backends/hostmem.c
+++ b/backends/hostmem.c
@@ -288,7 +288,7 @@ static void host_memory_backend_init(Object *obj)
     /* TODO: convert access to globals to compat properties */
     backend->merge = machine_mem_merge(machine);
     backend->dump = machine_dump_guest_core(machine);
-    backend->guest_memfd = machine_require_guest_memfd(machine);
+    backend->guest_memfd_private = machine_require_guest_memfd(machine);
     backend->reserve = true;
     backend->prealloc_threads = machine->smp.cpus;
 }
-- 
2.50.1