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由 eric miao 提交于
1. As David Brownell suggests, using ffs() is going to make the loop a bit faster (by avoiding unnecessary shift and iteration) 2. Russell suggested find_{first,next}_bit() being used with the gedr[] array Signed-off-by: Neric miao <eric.miao@marvell.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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