Re: [PATCH] mm/sparse: remove a check that compare if unsigned variable is negative

From: Wei Yang
Date: Fri Oct 19 2018 - 04:28:06 EST


On Sat, Oct 13, 2018 at 01:04:45PM -0400, Pavel Tatashin wrote:
>This is incorrect: next_present_section_nr() returns "int" and -1 no
>next section, this change would lead to infinite loop.

Yes, the -1 is a very special value.

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Wei Yang
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