Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote: > The reason we can't overflow on multiplication there, BTW, is that we have > nr <= count, and count has come from weirdly open-coded > DIV_ROUND_UP(size + offset, PAGE_SIZE) > IMO we'd better make it explicit, so how about the following: > > Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> It seems reasonable. Reviewed-by: David Howells <dhowells@xxxxxxxxxx>
