On Sat, Mar 15, 2025 at 06:30:40PM +0800, Herbert Xu wrote: > > - n = slen / PAGE_SIZE; > - n += (offset_in_page(slen) + soff - 1) / PAGE_SIZE; > - if (slen <= req->src->length && > - (!PageHighMem(nth_page(spage, n)) || > - size_add(soff, slen) <= PAGE_SIZE)) > + spage = nth_page(spage, soff / PAGE_SIZE); > + soff = offset_in_page(soff); > + > + n = slen / PAGE_SIZE; > + n += (offset_in_page(slen) + soff - 1) / PAGE_SIZE; > + if (PageHighMem(nth_page(spage, n)) && > + size_add(soff, slen) <= PAGE_SIZE) > + break; This should of course be size_add(soff, slen) > PAGE_SIZE > + if (PageHighMem(dpage + n) && > + size_add(doff, dlen) <= PAGE_SIZE) Ditto. Cheers, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
