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Use UMA_ALIGNOF() for name cache UMA zones.
This fixes kernel crashes due to misaligned accesses to the 64-bit time_t embedded in struct namecache_ts in MIPS n32 kernels. MFC after: 1 week Sponsored by: DARPA / AFRL
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parent
14c510c0cf
commit
c2dc6d5db1
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=324073
@ -1754,16 +1754,20 @@ nchinit(void *dummy __unused)
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cache_zone_small = uma_zcreate("S VFS Cache",
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sizeof(struct namecache) + CACHE_PATH_CUTOFF + 1,
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NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_ZINIT);
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NULL, NULL, NULL, NULL, UMA_ALIGNOF(struct namecache),
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UMA_ZONE_ZINIT);
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cache_zone_small_ts = uma_zcreate("STS VFS Cache",
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sizeof(struct namecache_ts) + CACHE_PATH_CUTOFF + 1,
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NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_ZINIT);
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NULL, NULL, NULL, NULL, UMA_ALIGNOF(struct namecache_ts),
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UMA_ZONE_ZINIT);
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cache_zone_large = uma_zcreate("L VFS Cache",
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sizeof(struct namecache) + NAME_MAX + 1,
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NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_ZINIT);
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NULL, NULL, NULL, NULL, UMA_ALIGNOF(struct namecache),
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UMA_ZONE_ZINIT);
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cache_zone_large_ts = uma_zcreate("LTS VFS Cache",
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sizeof(struct namecache_ts) + NAME_MAX + 1,
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NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_ZINIT);
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NULL, NULL, NULL, NULL, UMA_ALIGNOF(struct namecache_ts),
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UMA_ZONE_ZINIT);
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nchashtbl = hashinit(desiredvnodes * 2, M_VFSCACHE, &nchash);
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ncbuckethash = cache_roundup_2(mp_ncpus * 64) - 1;
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