Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1287016
| From | Herbert Xu <herbert@gondor.apana.org.au> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: rhashtable: Use __vmalloc with GFP_ATOMIC for table allocation |
| Date | 2015-12-09 03:40 +0100 |
| Message-ID | <qDCPD-2c5-3@gated-at.bofh.it> (permalink) |
| References | <qD9NE-lE-33@gated-at.bofh.it> <qCf8K-5AQ-3@gated-at.bofh.it> <qDCwj-25G-27@gated-at.bofh.it> <qDCFY-295-17@gated-at.bofh.it> <qDCPD-2c5-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Dec 09, 2015 at 03:36:32AM +0100, Thomas Graf wrote: > > Without knowing your exact implementation plans: introducing an > additional reference indirection for every lookup will have a > huge performance penalty as well. > > Is your plan to only introduce the master table after an > allocation has failed? Right, obviously the extra indirections would only come into play after a failed allocation. As soon as we can run the worker thread it'll try to remove the extra indirections by doing vmalloc. Cheers, -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
rhashtable: ENOMEM errors when hit with a flood of insertions Herbert Xu <herbert@gondor.apana.org.au> - 2015-12-03 14:00 +0100
RE: rhashtable: ENOMEM errors when hit with a flood of insertions David Laight <David.Laight@ACULAB.COM> - 2015-12-03 16:20 +0100
Re: rhashtable: ENOMEM errors when hit with a flood of insertions Eric Dumazet <eric.dumazet@gmail.com> - 2015-12-03 17:10 +0100
Re: rhashtable: ENOMEM errors when hit with a flood of insertions Herbert Xu <herbert@gondor.apana.org.au> - 2015-12-04 01:10 +0100
rhashtable: Use __vmalloc with GFP_ATOMIC for table allocation Herbert Xu <herbert@gondor.apana.org.au> - 2015-12-04 15:50 +0100
Re: rhashtable: Use __vmalloc with GFP_ATOMIC for table allocation Eric Dumazet <eric.dumazet@gmail.com> - 2015-12-04 18:50 +0100
Re: rhashtable: Use __vmalloc with GFP_ATOMIC for table allocation Phil Sutter <phil@nwl.cc> - 2015-12-04 19:20 +0100
Re: rhashtable: Use __vmalloc with GFP_ATOMIC for table allocation Herbert Xu <herbert@gondor.apana.org.au> - 2015-12-05 08:10 +0100
Re: rhashtable: Use __vmalloc with GFP_ATOMIC for table allocation Thomas Graf <tgraf@suug.ch> - 2015-12-07 16:40 +0100
Re: rhashtable: Use __vmalloc with GFP_ATOMIC for table allocation David Miller <davem@davemloft.net> - 2015-12-07 20:40 +0100
Re: rhashtable: Use __vmalloc with GFP_ATOMIC for table allocation Thomas Graf <tgraf@suug.ch> - 2015-12-09 03:20 +0100
Re: rhashtable: Use __vmalloc with GFP_ATOMIC for table allocation Herbert Xu <herbert@gondor.apana.org.au> - 2015-12-09 03:30 +0100
Re: rhashtable: Use __vmalloc with GFP_ATOMIC for table allocation Herbert Xu <herbert@gondor.apana.org.au> - 2015-12-09 03:40 +0100
Re: rhashtable: Use __vmalloc with GFP_ATOMIC for table allocation Thomas Graf <tgraf@suug.ch> - 2015-12-09 03:50 +0100
Re: rhashtable: Use __vmalloc with GFP_ATOMIC for table allocation Thomas Graf <tgraf@suug.ch> - 2015-12-09 03:40 +0100
Re: rhashtable: Use __vmalloc with GFP_ATOMIC for table allocation David Miller <davem@davemloft.net> - 2015-12-04 23:00 +0100
Re: rhashtable: Use __vmalloc with GFP_ATOMIC for table allocation Herbert Xu <herbert@gondor.apana.org.au> - 2015-12-05 08:10 +0100
Re: rhashtable: Use __vmalloc with GFP_ATOMIC for table allocation David Miller <davem@davemloft.net> - 2015-12-06 04:50 +0100
csiph-web