From 96f17d590092ae2511adf599a252e8ed1901b7a4 Mon Sep 17 00:00:00 2001
From: Roland Dreier <roland@purestorage.com>
Date: Tue, 14 Aug 2012 15:17:10 -0700
Subject: [PATCH] mlx4_core: Clean up buddy bitmap allocation

 - Use kcalloc() / vzalloc() instead of an extra bitmap_zero().
 - Add __GFP_NOWARN to kcalloc() since we'll try vzalloc() if it fails.

Signed-off-by: Roland Dreier <roland@purestorage.com>
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