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From: Mateusz Guzik <mjg@FreeBSD.org>
Date: Mon, 1 Jun 2020 15:58:22 +0000 (UTC)
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Subject: svn commit: r361695 - head/sys/sys
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Author: mjg
Date: Mon Jun  1 15:58:22 2020
New Revision: 361695
URL: https://svnweb.freebsd.org/changeset/base/361695

Log:
  Remove ->f_label from struct file
  
  The field was added in r141137 in 2005 and is unused.
  
  It avoidably grows a struct which is NOFREE and easily gets hundreds of
  thousands of instances.
  
  Reviewed by:	kib
  Differential Revision:	https://reviews.freebsd.org/D25036

Modified:
  head/sys/sys/file.h

Modified: head/sys/sys/file.h
==============================================================================
--- head/sys/sys/file.h	Mon Jun  1 15:32:13 2020	(r361694)
+++ head/sys/sys/file.h	Mon Jun  1 15:58:22 2020	(r361695)
@@ -200,10 +200,6 @@ struct file {
 	 *  DFLAG_SEEKABLE specific fields
 	 */
 	off_t		f_offset;
-	/*
-	 * Mandatory Access control information.
-	 */
-	void		*f_label;	/* Place-holder for MAC label. */
 };
 
 #define	f_cdevpriv	f_vnun.fvn_cdevpriv