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OpenZFS 9688 - aggsum_fini leaks memory

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Porting Notes:
- Most of these fixes were applied in the original 37fb3e43
  commit when this change was ported for Linux.

Authored by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Serapheim Dimitropoulos <serapheim.dimitro@delphix.com>
Reviewed by: Matt Ahrens <matt@delphix.com>
Reviewed by: Prashanth Sreenivasa <pks@delphix.com>
Reviewed by: Jorgen Lundman <lundman@lundman.net>
Reviewed by: Igor Kozhukhov <igor@dilos.org>
Reviewed by: George Melikov <mail@gmelikov.ru>
Approved by: Robert Mustacchi <rm@joyent.com>
Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>

OpenZFS-issue: https://www.illumos.org/issues/9688
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/29bf2d68be
Closes #8042
This commit is contained in:
Paul Dagnelie 2018-05-23 10:32:31 -07:00 committed by Brian Behlendorf
parent 9b2266e3d8
commit ae3d849142
2 changed files with 7 additions and 2 deletions
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2
module/zfs/aggsum.c
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@ -13,7 +13,7 @@
* CDDL HEADER END
*/
/*
* Copyright (c) 2017 by Delphix. All rights reserved.
* Copyright (c) 2017, 2018 by Delphix. All rights reserved.
*/
#include <sys/zfs_context.h>

7
module/zfs/arc.c
View File

@ -7845,8 +7845,13 @@ arc_fini(void)
cv_destroy(&arc_reclaim_thread_cv);
cv_destroy(&arc_reclaim_waiters_cv);
arc_state_fini();
/*
* buf_fini() must proceed arc_state_fini() because buf_fin() may
* trigger the release of kmem magazines, which can callback to
* arc_space_return() which accesses aggsums freed in act_state_fini().
*/
buf_fini();
arc_state_fini();
ASSERT0(arc_loaned_bytes);
}