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由 Eric Dumazet 提交于
It seems there is no fundamental reason to limit vmsplice() SPLICE_F_GIFT to page aligned chunks. All helpers are prepared to cope with offsets in page. This limitation makes vmsplice() API very impractical in the zero-copy land. Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Cc: Tom Herbert <therbert@google.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: David Miller <davem@davemloft.net> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Hugh Dickins <hughd@google.com> Cc: Changli Gao <xiaosuo@gmail.com> Cc: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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