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(parent: 07173c3) | patch
block: always define BIO_MAX_PAGES as 256
authorMing Lei <ming.lei@redhat.com>
Fri, 15 Feb 2019 11:13:21 +0000 (19:13 +0800)
committerJens Axboe <axboe@kernel.dk>
Fri, 15 Feb 2019 15:40:12 +0000 (08:40 -0700)
commit6861428921b51113520cd47897be6c2774e4fc58
tree5b25022aba256e4a9d8bfeb8b0d14036d83155b3tree
parent07173c3ec276cbb18dc0e0687d37d310e98a1480commit | diff
block: always define BIO_MAX_PAGES as 256

Now multi-page bvec can cover CONFIG_THP_SWAP, so we don't need to
increase BIO_MAX_PAGES for it.

CONFIG_THP_SWAP needs to split one THP into normal pages and adds
them all to one bio. With multipage-bvec, it just takes one bvec to
hold them all.

Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
include/linux/bio.h diff | blob | history
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