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sysctl vm.objects: yield if hog

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Reviewed by:	markj
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D31163
This commit is contained in:
Konstantin Belousov 2021-05-08 01:13:29 +03:00
parent 7738118e9a
commit 350fc36b4c
1 changed files with 1 additions and 0 deletions
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sys/vm/vm_object.c
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@ -2585,6 +2585,7 @@ vm_object_list_handler(struct sysctl_req *req, bool swap_only)
kvo->kvo_structsize = roundup(kvo->kvo_structsize,
sizeof(uint64_t));
error = SYSCTL_OUT(req, kvo, kvo->kvo_structsize);
maybe_yield();
mtx_lock(&vm_object_list_mtx);
if (error)
break;