diff --git a/include/qemu/bitmap.h b/include/qemu/bitmap.h
index 97806811ee..1cf288445f 100644
--- a/include/qemu/bitmap.h
+++ b/include/qemu/bitmap.h
@@ -92,17 +92,14 @@ long slow_bitmap_count_one(const unsigned long *bitmap, long nbits);
 
 static inline unsigned long *bitmap_try_new(long nbits)
 {
-    long len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
-    return g_try_malloc0(len);
+    long nelem = BITS_TO_LONGS(nbits);
+    return g_try_new0(unsigned long, nelem);
 }
 
 static inline unsigned long *bitmap_new(long nbits)
 {
-    unsigned long *ptr = bitmap_try_new(nbits);
-    if (ptr == NULL) {
-        abort();
-    }
-    return ptr;
+    long nelem = BITS_TO_LONGS(nbits);
+    return g_new0(unsigned long, nelem);
 }
 
 static inline void bitmap_zero(unsigned long *dst, long nbits)
@@ -265,10 +262,10 @@ unsigned long bitmap_find_next_zero_area(unsigned long *map,
 static inline unsigned long *bitmap_zero_extend(unsigned long *old,
                                                 long old_nbits, long new_nbits)
 {
-    long new_len = BITS_TO_LONGS(new_nbits) * sizeof(unsigned long);
-    unsigned long *new = g_realloc(old, new_len);
-    bitmap_clear(new, old_nbits, new_nbits - old_nbits);
-    return new;
+    long new_nelem = BITS_TO_LONGS(new_nbits);
+    unsigned long *ptr = g_renew(unsigned long, old, new_nelem);
+    bitmap_clear(ptr, old_nbits, new_nbits - old_nbits);
+    return ptr;
 }
 
 void bitmap_to_le(unsigned long *dst, const unsigned long *src,