svn commit: r322174 - stable/11/sys/kern

[Mark Johnston]

Author: markj
Date: Mon Aug  7 17:29:48 2017
New Revision: 322174
URL: https://svnweb.freebsd.org/changeset/base/322174

Log:
  MFC r321805:
  Batch v_wire_count decrements in vm_hold_free_pages().

Modified:
  stable/11/sys/kern/vfs_bio.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/kern/vfs_bio.c
==============================================================================
--- stable/11/sys/kern/vfs_bio.c	Mon Aug  7 17:28:35 2017	(r322173)
+++ stable/11/sys/kern/vfs_bio.c	Mon Aug  7 17:29:48 2017	(r322174)
@@ -4507,13 +4507,10 @@ vm_hold_free_pages(struct buf *bp, int newbsize)
 	for (index = newnpages; index < bp->b_npages; index++) {
 		p = bp->b_pages[index];
 		bp->b_pages[index] = NULL;
-		if (vm_page_sbusied(p))
-			printf("vm_hold_free_pages: blkno: %jd, lblkno: %jd\n",
-			    (intmax_t)bp->b_blkno, (intmax_t)bp->b_lblkno);
 		p->wire_count--;
 		vm_page_free(p);
-		atomic_subtract_int(&vm_cnt.v_wire_count, 1);
 	}
+	atomic_subtract_int(&vm_cnt.v_wire_count, bp->b_npages - newnpages);
 	bp->b_npages = newnpages;
 }