netdev - Re: [PATCH net 2/3] rhashtable: better high order allocation attempts

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 20 Feb 2015 12:01:20 +0000
From:	Thomas Graf <tgraf@...g.ch>
To:	Daniel Borkmann <daniel@...earbox.net>
Cc:	davem@...emloft.net, johunt@...mai.com, netdev@...r.kernel.org
Subject: Re: [PATCH net 2/3] rhashtable: better high order allocation attempts

On 02/20/15 at 12:53am, Daniel Borkmann wrote:
> When trying to allocate future tables via bucket_table_alloc(), it seems
> overkill on large table shifts that we probe for kzalloc() unconditionally
> first, as it's likely to fail.
> 
> Only probe with kzalloc() for more reasonable table sizes and use vzalloc()
> either as a fallback on failure or directly in case of large table sizes.
> 
> Fixes: 7e1e77636e36 ("lib: Resizable, Scalable, Concurrent Hash Table")
> Signed-off-by: Daniel Borkmann <daniel@...earbox.net>

Acked-by: Thomas Graf <tgraf@...g.ch>
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html