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Subject[PATCH] [123/223] netfilter: nf_conntrack: allow nf_ct_alloc_hashtable() to get highmem pages
Date
2.6.35-longterm review patch.  If anyone has any objections, please let me know.

------------------
From: Eric Dumazet <eric.dumazet@gmail.com>

commit 6b1686a71e3158d3c5f125260effce171cc7852b upstream.

commit ea781f197d6a8 (use SLAB_DESTROY_BY_RCU and get rid of call_rcu())
did a mistake in __vmalloc() call in nf_ct_alloc_hashtable().

I forgot to add __GFP_HIGHMEM, so pages were taken from LOWMEM only.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Andi Kleen <ak@linux.intel.com>

---
net/netfilter/nf_conntrack_core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

Index: linux/net/netfilter/nf_conntrack_core.c
===================================================================
--- linux.orig/net/netfilter/nf_conntrack_core.c
+++ linux/net/netfilter/nf_conntrack_core.c
@@ -1252,7 +1252,8 @@ void *nf_ct_alloc_hashtable(unsigned int
if (!hash) {
*vmalloced = 1;
printk(KERN_WARNING "nf_conntrack: falling back to vmalloc.\n");
- hash = __vmalloc(sz, GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL);
+ hash = __vmalloc(sz, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO,
+ PAGE_KERNEL);
}

if (hash && nulls)

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