David Sterba 8f282f71ea btrfs: fallback to vmalloc in btrfs_compare_tree ...

The allocation of node could fail if the memory is too fragmented for a
given node size, practically observed with 64k.

http://article.gmane.org/gmane.comp.file-systems.btrfs/54689

Reported-and-tested-by: Jean-Denis Girard <jd.girard@sysnux.pf>
Signed-off-by: David Sterba <dsterba@suse.com>

2016-04-04 16:29:22 +02:00

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