linux-kernel - Re: [PATCH 11/12] tmpfs: use kmemdup for short symlinks

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:	Tue, 14 Jun 2011 14:16:09 +0300
From:	Pekka Enberg <penberg@...nel.org>
To:	Hugh Dickins <hughd@...gle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 11/12] tmpfs: use kmemdup for short symlinks

On Tue, Jun 14, 2011 at 1:57 PM, Hugh Dickins <hughd@...gle.com> wrote:
> But we've not yet removed the old swp_entry_t i_direct[16] from
> shmem_inode_info.  That's because it was still being shared with the
> inline symlink.  Remove it now (saving 64 or 128 bytes from shmem inode
> size), and use kmemdup() for short symlinks, say, those up to 128 bytes.
>
> I wonder why mpol_free_shared_policy() is done in shmem_destroy_inode()
> rather than shmem_evict_inode(), where we usually do such freeing?  I
> guess it doesn't matter, and I'm not into NUMA mpol testing right now.
>
> Signed-off-by: Hugh Dickins <hughd@...gle.com>

Reviewed-by: Pekka Enberg <penberg@...nel.org>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/