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由 Rob Jones 提交于
Despite the fact that these functions have been around for years, they are little used (only 15 uses in 13 files at the preseht time) even though many other files use work-arounds to achieve the same result. By documenting them, hopefully they will become more widely used. Signed-off-by: NRob Jones <rob.jones@codethink.co.uk> Acked-by: NSteven Whitehouse <swhiteho@redhat.com> Signed-off-by: NRandy Dunlap <rdunlap@infradead.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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