fellow_cache: Trim the FCO also after embedding

src/fellow_cache.c

@@ -2991,8 +2991,6 @@ fellow_cache_obj_trim(const struct fellow_cache *fc,
 	CHECK_OBJ_NOTNULL(fco, FELLOW_CACHE_OBJ_MAGIC);
 
 	// no trim if fdo is embedded - XXX cleaner way?
-	if (FCO_FCS(fco)->alloc.ptr == NULL)
-		return;
 	assert(FCO_FDO(fco) == FCO_FCS(fco)->alloc.ptr);
 
 	fcsl = &fco->fcsl_embed;
@@ -5405,7 +5403,7 @@ struct objcore **ocp, uintptr_t priv2, unsigned crit)
 	unsigned oref = 0;
 	const char *err;
 	char *ptr;
-	size_t spc, sz;
+	size_t spc, sz, nsz;
 	int r;
 
 	CHECK_OBJ_NOTNULL(fc, FELLOW_CACHE_MAGIC);
@@ -5554,6 +5552,7 @@ struct objcore **ocp, uintptr_t priv2, unsigned crit)
 	assert(sz <= fco->fco_mem.size);
 	ptr = (char *)fco + sz;
 	assert(PAOK(ptr));
+	nsz = sz;
 
 	spc = fco->fco_mem.size - sz;
 
@@ -5565,10 +5564,13 @@ struct objcore **ocp, uintptr_t priv2, unsigned crit)
 		fdo = fcs->u.fco_fdo = (void *)ptr;
 
 		AN(buddy_return_ptr_extent(rets, &fcs->alloc));
+		nsz += sz;
 	}
 	else
 		fdo = fellow_disk_obj_trim(fc, fcs);
 
+	buddy_trim1_ptr_extent(fc->membuddy, &fco->fco_mem, nsz);
+
 	fdsl = fellow_disk_obj_fdsl(fdo);
 	assert(PAOK(fdsl));
 	CHECK_OBJ_NOTNULL(fdsl, FELLOW_DISK_SEGLIST_MAGIC);
@@ -5609,7 +5611,6 @@ struct objcore **ocp, uintptr_t priv2, unsigned crit)
 
 	if (dowry.bits)
 		AN(buddy_return_ptr_page(rets, &dowry));
-	fellow_cache_obj_trim(fc, fco);
 	buddy_return(rets);
 	return (FCR_OK(fco));
   err: