Peter Xu <pet...@redhat.com> wrote: > On Tue, Aug 08, 2017 at 06:06:04PM +0200, Juan Quintela wrote: >> Peter Xu <pet...@redhat.com> wrote: >> > On Mon, Jul 17, 2017 at 03:42:32PM +0200, Juan Quintela wrote: >> > >> > [...] >> > >> >> static int multifd_send_page(uint8_t *address) >> >> { >> >> - int i; >> >> + int i, j; >> >> MultiFDSendParams *p = NULL; /* make happy gcc */ >> >> + static multifd_pages_t pages; >> >> + static bool once; >> >> + >> >> + if (!once) { >> >> + multifd_init_group(&pages); >> >> + once = true; >> > >> > Would it be good to put the "pages" into multifd_send_state? One is to >> > stick globals together; another benefit is that we can remove the >> > "once" here: we can then init the "pages" when init multifd_send_state >> > struct (but maybe with a better name?...). >> >> I did to be able to free it. > > Free it? But they a static variables, then how can we free them? > > (I thought the only way to free it is putting it into > multifd_send_state...) > > Something I must have missed here. :(
I did the change that you suggested in response to a comment from Dave that asked where I freed it. I see that my sentence was ambigous. > >> >> > (there are similar static variables in multifd_recv_page() as well, if >> > this one applies, then we can possibly use multifd_recv_state for >> > that one) >> >> Also there. >> >> >> + } >> >> + >> >> + pages.iov[pages.num].iov_base = address; >> >> + pages.iov[pages.num].iov_len = TARGET_PAGE_SIZE; >> >> + pages.num++; >> >> + >> >> + if (pages.num < (pages.size - 1)) { >> >> + return UINT16_MAX; >> > >> > Nit: shall we define something for readability? Like: >> > >> > #define MULTIFD_FD_INVALID UINT16_MAX >> >> Also done. >> >> MULTIFD_CONTINUE >> >> But I am open to changes. > > It's clear enough at least to me. Thanks! Thanks, Juan.