From: Eric Dumazet <[EMAIL PROTECTED]> Date: Tue, 22 Jan 2008 11:50:06 +0100
> On x86_64, sizeof(struct rtable) is 0x148, which is rounded up to 0x180 > bytes by SLAB allocator. > > We can reduce this to exactly 0x140 bytes, without alignment overhead, > and store 12 struct rtable per PAGE instead of 10. > > rate_tokens is currently defined as an "unsigned long", while its content > should not exceed 6*HZ. It can safely be converted to an unsigned int. > > Moving tclassid right after rate_tokens to fill the 4 bytes hole permits > to save 8 bytes on 'struct dst_entry', which finally permits to save 8 > bytes on 'struct rtable' > > Signed-off-by: Eric Dumazet <[EMAIL PROTECTED]> Thanks for doing this work Eric. Patch applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
