On Wed, 2016-12-28 at 13:00 +0200, Max Gurtovoy wrote:
> warning: 'prev_nents' may be used uninitialized in this function

What compiler and which version of that compiler reported that 'prev_nents'
may be used uninitialized? That warning indicates a compiler bug. Recent
versions of gcc do not report that warning. Patches that suppress warnings
that are reported by bugs in old compiler versions should not be sent upstream.

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