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Passing UMA_ZONE_NOFREE to uma_zcreate() for swpctrie_zone and swblk_zone is

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redundant, because uma_zone_reserve_kva() is performed on both zones and it
sets this same flag on the zone.  (Moreover, the implementation of the swap
pager does not itself require these zones to be UMA_ZONE_NOFREE.)

Reviewed by:	kib, markj
Approved by:	re (gjb)
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D17296
This commit is contained in:
Alan Cox 2018-09-24 16:49:02 +00:00
parent 3d14a7bb43
commit f5fbe90de4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=338912
1 changed files with 2 additions and 4 deletions
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6
sys/vm/swap_pager.c
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@ -545,13 +545,11 @@ swap_pager_swap_init(void)
if (maxswzone && n > maxswzone / sizeof(struct swblk))
n = maxswzone / sizeof(struct swblk);
swpctrie_zone = uma_zcreate("swpctrie", pctrie_node_size(), NULL, NULL,
pctrie_zone_init, NULL, UMA_ALIGN_PTR,
UMA_ZONE_NOFREE | UMA_ZONE_VM);
pctrie_zone_init, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM);
if (swpctrie_zone == NULL)
panic("failed to create swap pctrie zone.");
swblk_zone = uma_zcreate("swblk", sizeof(struct swblk), NULL, NULL,
NULL, NULL, _Alignof(struct swblk) - 1,
UMA_ZONE_NOFREE | UMA_ZONE_VM);
NULL, NULL, _Alignof(struct swblk) - 1, UMA_ZONE_VM);
if (swblk_zone == NULL)
panic("failed to create swap blk zone.");
n2 = n;