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List:       linux-kernel
Subject:    Re: Bloat caused by unnecessary calls to compound_head()?
From:       "George Spelvin" <linux () horizon ! com>
Date:       2016-03-27 20:33:04
Message-ID: 20160327203304.9695.qmail () ns ! horizon ! com
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Could you just mark compound_head __pure?  That would tell the compiler
that it's safe to re-use the return value as long as there is no memory
mutation in between.

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