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Fix bug introduced in rewrite of keg_free_slab in -r251894.

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The consequence of the bug is that fini calls are not done
when a slab is freed by a call-back from the page daemon.
It went unnoticed for two months because fini is little used.

I spotted the bug while reading the code to learn how it works
so I could write it up for the next edition of the Design and
Implementation of FreeBSD book.

No MFC needed as this code exists only in HEAD.

Reviewed by: kib, jeff
Tested by:   pho
This commit is contained in:
Kirk McKusick 2013-08-31 15:40:15 +00:00
parent 2f393c15a6
commit 1645995b97
1 changed files with 1 additions and 1 deletions
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2
sys/vm/uma_core.c
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@ -780,7 +780,7 @@ finished:
while ((slab = SLIST_FIRST(&freeslabs)) != NULL) {
SLIST_REMOVE(&freeslabs, slab, uma_slab, us_hlink);
keg_free_slab(keg, slab, 0);
keg_free_slab(keg, slab, keg->uk_ipers);
}
}