Messages in this thread | | | Date | Mon, 15 Jun 2009 09:57:57 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: Bug: fio traps into kernel without exiting because futex has a deadloop |
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On Mon, 15 Jun 2009, Zhang, Yanmin wrote: > > + ret = get_user_pages_fast(addr, 1, 1, &page); > > I checked function get_user_pages_fast. It might return negative, 0, or > positive value. 0 means it doesn't pin any page. So why does below statement > use (!ret) to put_page?
Hmm, darn. You are right. It needs to be (ret > 0)
Thanks,
tglx | |