* [PATCH] ipv6: reorder struct inet6_ifaddr to remove padding on 64 bit builds
@ 2009-03-19 15:32 Richard Kennedy
2009-03-21 20:29 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Richard Kennedy @ 2009-03-19 15:32 UTC (permalink / raw)
To: yoshfuji, pekkas; +Cc: netdev, lkml
reorder struct inet6_ifaddr to remove padding on 64 bit builds
remove 8 bytes of padding so inet6_ifaddr becomes 192 bytes & fits into
a smaller slab.
Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
----
patch against v2.6.29-rc8
I've compiled & booted with this patch, modules ipv6 & ip6_tables load
successfully, but I've not run any other tests.
regards
Richard
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
index c8effa4..38b7813 100644
--- a/include/net/if_inet6.h
+++ b/include/net/if_inet6.h
@@ -39,8 +39,6 @@ struct inet6_ifaddr
__u32 valid_lft;
__u32 prefered_lft;
- unsigned long cstamp; /* created timestamp */
- unsigned long tstamp; /* updated timestamp */
atomic_t refcnt;
spinlock_t lock;
@@ -49,6 +47,9 @@ struct inet6_ifaddr
__u16 scope;
+ unsigned long cstamp; /* created timestamp */
+ unsigned long tstamp; /* updated timestamp */
+
struct timer_list timer;
struct inet6_dev *idev;
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ipv6: reorder struct inet6_ifaddr to remove padding on 64 bit builds
2009-03-19 15:32 [PATCH] ipv6: reorder struct inet6_ifaddr to remove padding on 64 bit builds Richard Kennedy
@ 2009-03-21 20:29 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2009-03-21 20:29 UTC (permalink / raw)
To: richard; +Cc: yoshfuji, pekkas, netdev, linux-kernel
From: Richard Kennedy <richard@rsk.demon.co.uk>
Date: Thu, 19 Mar 2009 15:32:40 +0000
> reorder struct inet6_ifaddr to remove padding on 64 bit builds
>
> remove 8 bytes of padding so inet6_ifaddr becomes 192 bytes & fits into
> a smaller slab.
>
> Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Applied, thanks.
^ permalink raw reply [flat|nested] 2+ messages in thread
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