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SubjectRe: [PATCH 20/32] netvm: INET reserves.
Hi Peter,

>>> Peter Zijlstra <a.p.zijlstra@chello.nl> 10/02/08 7:06 PM >>>
> Add reserves for INET.

There's a typo in this patch that results in a Oops like the one below
when doing `sysctl -a'

<cut>
RIP: 0010:[<ffffffff804a0487>] [<ffffffff804a0487>]
__mutex_lock_slowpath+0x34/0xc9

Call Trace:
[<ffffffff804a044f>] mutex_lock+0x1a/0x1e
[<ffffffff8044a82e>] proc_dointvec_route+0x38/0xad
[<ffffffff80301fce>] proc_sys_call_handler+0x91/0xb8
[<ffffffff802ba07e>] vfs_read+0xaa/0x153
[<ffffffff802ba1e3>] sys_read+0x45/0x6e
[<ffffffff8020c37a>] system_call_fastpath+0x16/0x1b
[<00007fb25e415880>] 0x7fb25e415880

</cut>


Index: linux-2.6/net/ipv4/route.c
===================================================================
--- linux-2.6.orig/net/ipv4/route.c
+++ linux-2.6/net/ipv4/route.c

/* Deprecated. Use gc_min_interval_ms */
@@ -3271,6 +3330,15 @@ int __init ip_rt_init(void)
ipv4_dst_ops.gc_thresh = (rt_hash_mask + 1);
ip_rt_max_size = (rt_hash_mask + 1) * 16;

+#ifdef CONFIG_PROCFS

Should be CONFIG_PROC_FS

+ mutex_init(&ipv4_route_lock);
+#endif
+
+ mem_reserve_init(&ipv4_route_reserve, "IPv4 route cache",
+ &net_rx_reserve);
+ mem_reserve_kmem_cache_set(&ipv4_route_reserve,
+ ipv4_dst_ops.kmem_cachep, ip_rt_max_size);
+
devinet_init();
ip_fib_init();

Thanks,

--
Suresh Jayaraman


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