On 07/02/14 at 10:41am, Petr Tesarik wrote: > On Wed, 2 Jul 2014 16:26:54 +0800 > Baoquan He <[email protected]> wrote: > > > On 06/17/14 at 02:32am, Atsushi Kumagai wrote: > > > > > +static void > > > +setup_page_is_hugepage(void) > > > +{ > > > + if (NUMBER(PG_head) != NOT_FOUND_NUMBER) { > > > + if (NUMBER(PG_tail) == NOT_FOUND_NUMBER) { > > > + /* > > > + * If PG_tail is not explicitly saved, then assume > > > + * that it immediately follows PG_head. > > > + */ > > > + NUMBER(PG_tail) = NUMBER(PG_head) + 1; > > > + } > > > + } else if ((NUMBER(PG_compound) != NOT_FOUND_NUMBER) > > > + && (info->dump_level & DL_EXCLUDE_USER_DATA)) { > > > > Hi, > > > > I may not understand hugepage well. I am wondering why hugepage > > filtering can't be done if PG_compound is available. > > Oh, maybe I'm missing something. What do you suggest as an alternative > way to recognize a huge page if the value of PG_compound is not known?
No, what I understood is PG_compound is known if (NUMBER(PG_compound) != NOT_FOUND_NUMBER). I am not sure about this. > > Petr Tesarik > > _______________________________________________ > kexec mailing list > [email protected] > http://lists.infradead.org/mailman/listinfo/kexec _______________________________________________ kexec mailing list [email protected] http://lists.infradead.org/mailman/listinfo/kexec
