BUG in FIB trie v.0.404 kernel 2.6.16

[Robert Olsson]

Jesper Dangaard Brouer writes:

 > BUG report for: FIB trie v.0.404
 > Kernel version: 2.6.16
 > 
 > When booting the kernel, the following debug output is printed. I assume 
 > its a bug in the FIB trie code, as it is printed right after the fib tree 
 > code is activated, and some of the functions refer to the trie code.

 > Linux version 2.6.16-orig (hawk@host) (gcc version 3.3.4) #1 SMP PREEMPT Sat Mar 25 22:26:15 CET 2006
 > ...
 > IPv4 FIB: Using LC-trie version 0.404
 > Debug: sleeping function called from invalid context at mm/slab.c:2729
 > in_atomic():1, irqs_disabled():0
 >   [<c0103c4e>] show_trace+0x20/0x24

Hello!

I've have enabled debugging and was expecting to see this as well but I don't.
I'll assume this disapears if you change GFP_KERNEL to GFP_ATOMIC for tnode
and leaf allocations well replace throughout fib_trie.c

Cheers.
					--ro

grep GFP  /usr/src/git/new/net/ipv4/fib_trie.c
                return kcalloc(size, 1, GFP_KERNEL);
        pages = alloc_pages(GFP_KERNEL|__GFP_ZERO, get_order(size));
        struct leaf *l = kmalloc(sizeof(struct leaf),  GFP_KERNEL);
        struct leaf_info *li = kmalloc(sizeof(struct leaf_info),  GFP_KERNEL);
                     GFP_KERNEL);
        stat = kmalloc(sizeof(*stat), GFP_KERNEL);
        struct fib_trie_iter *s = kmalloc(sizeof(*s), GFP_KERNEL);
        struct fib_trie_iter *s = kmalloc(sizeof(*s), GFP_KERNEL);
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