[lkml]   [2011]   [Mar]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 4/4] net,rcu: don't assume the size of struct rcu_head
From: Lai Jiangshan <>
Date: Tue, 01 Mar 2011 16:03:44 +0800

> struct dst_entry assumes the size of struct rcu_head as 2 * sizeof(long)
> and manually adds pads for aligning for "__refcnt".
> When the size of struct rcu_head is changed, these manual padding
> is wrong. Use __attribute__((aligned (64))) instead.
> Signed-off-by: Lai Jiangshan <>

We don't want to use the align if it's going to waste lots of space.

Instead we want to rearrange the structure so that the alignment comes
more cheaply.

 \ /
  Last update: 2011-03-01 09:19    [W:0.068 / U:7.028 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site