[PATCH RFC 03/21] physmem: Add qemu_ram_is_hugetlb()

[Peter Xu]

Returns true for a hugetlbfs mapping, false otherwise.

Signed-off-by: Peter Xu <peterx@redhat.com>
---
 include/exec/cpu-common.h | 1 +
 softmmu/physmem.c         | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index 6feaa40ca7..94452aa17f 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -95,6 +95,7 @@ void qemu_ram_unset_migratable(RAMBlock *rb);
 int qemu_ram_get_fd(RAMBlock *rb);
 
 size_t qemu_ram_pagesize(RAMBlock *block);
+bool qemu_ram_is_hugetlb(RAMBlock *rb);
 size_t qemu_ram_pagesize_largest(void);
 
 /**
diff --git a/softmmu/physmem.c b/softmmu/physmem.c
index edec095c7a..a4fb129d8f 100644
--- a/softmmu/physmem.c
+++ b/softmmu/physmem.c
@@ -1798,6 +1798,11 @@ size_t qemu_ram_pagesize(RAMBlock *rb)
     return rb->page_size;
 }
 
+bool qemu_ram_is_hugetlb(RAMBlock *rb)
+{
+    return rb->page_size > qemu_real_host_page_size();
+}
+
 /* Returns the largest size of page in use */
 size_t qemu_ram_pagesize_largest(void)
 {
-- 
2.37.3