Panic if UMA_ZONE_PCPU is created at early stages of boot, when mp_ncpus
isn't yet initialized. Otherwise we will panic at first allocation later. Sponsored by: Nginx, Inc.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=249763
@ -1139,6 +1139,7 @@ keg_small_init(uma_keg_t keg)
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u_int shsize;
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if (keg->uk_flags & UMA_ZONE_PCPU) {
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KASSERT(mp_ncpus > 0, ("%s: ncpus %d\n", __func__, mp_ncpus));
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keg->uk_slabsize = sizeof(struct pcpu);
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keg->uk_ppera = howmany(mp_ncpus * sizeof(struct pcpu),
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PAGE_SIZE);
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