5382 pvn_getpages handles lengths <= PAGESIZE just fine

@@ -18,10 +18,11 @@
  *
  * CDDL HEADER END
  */
 /*
  * Copyright (c) 1991, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
  */
 
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/systm.h>

@@ -114,32 +115,23 @@
         caddr_t addr,
         enum seg_rw rw,
         struct cred *cr,
         caller_context_t *ct)
 {
-        int err;
-
         SWAPFS_PRINT(SWAP_VOPS, "swap_getpage: vp %p, off %llx, len %lx\n",
             (void *)vp, off, len, 0, 0);
 
         TRACE_3(TR_FAC_SWAPFS, TR_SWAPFS_GETPAGE,
             "swapfs getpage:vp %p off %llx len %ld",
             (void *)vp, off, len);
 
-        if (len <= PAGESIZE) {
-                err = swap_getapage(vp, (u_offset_t)off, len, protp, pl, plsz,
-                    seg, addr, rw, cr);
-        } else {
-                err = pvn_getpages(swap_getapage, vp, (u_offset_t)off, len,
-                    protp, pl, plsz, seg, addr, rw, cr);
-        }
-
-        return (err);
+        return (pvn_getpages(swap_getapage, vp, (u_offset_t)off, len, protp,
+            pl, plsz, seg, addr, rw, cr));
 }
 
 /*
- * Called from pvn_getpages or swap_getpage to get a particular page.
+ * Called from pvn_getpages to get a particular page.
  */
 /*ARGSUSED*/
 static int
 swap_getapage(
         struct vnode *vp,