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| author | Al Viro <viro@zeniv.linux.org.uk> | 2022-06-10 20:30:35 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2022-08-08 22:37:21 -0400 |
| commit | 0aa4fc32f54028f6fbb35bf71df4b0d86ff1662b (patch) | |
| tree | e66c95705f27c5f7d524113d9e0f8cf24d75575b /lib | |
| parent | 451c0ba9475ebdce36249c5c769efa5d580d1d83 (diff) | |
| download | lwn-0aa4fc32f54028f6fbb35bf71df4b0d86ff1662b.tar.gz lwn-0aa4fc32f54028f6fbb35bf71df4b0d86ff1662b.zip | |
ITER_XARRAY: don't open-code DIV_ROUND_UP()
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/iov_iter.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/lib/iov_iter.c b/lib/iov_iter.c index 8c6cdc1cf832..c78129e709f2 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -1386,15 +1386,7 @@ static ssize_t iter_xarray_get_pages(struct iov_iter *i, offset = pos & ~PAGE_MASK; *_start_offset = offset; - count = 1; - if (size > PAGE_SIZE - offset) { - size -= PAGE_SIZE - offset; - count += size >> PAGE_SHIFT; - size &= ~PAGE_MASK; - if (size) - count++; - } - + count = DIV_ROUND_UP(size + offset, PAGE_SIZE); if (count > maxpages) count = maxpages; |