Messages in this thread | | | From | "dada1" <> | Subject | Re: Kernel BUG linux-2.5.67 | Date | Tue, 8 Apr 2003 11:24:22 +0200 |
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Yes... the futex was placed un a hugetlb page...
Thanks Andrew, I will test your patch very soon.
From: "Andrew Morton" <akpm@digeo.com> > "dada1" <dada1@cosmosbay.com> wrote: > > > > Hello > > > > I tried linux-2.5.67 this morning... > > > > instant oops with a small multi-threaded program using futex() > > Was the futex placed inside a hugetlb page? Please say yes. > > There is a stunning bug. > > --- 25/include/linux/mm.h~a 2003-04-08 02:03:19.000000000 -0700 > +++ 25-akpm/include/linux/mm.h 2003-04-08 02:03:24.000000000 -0700 > @@ -231,8 +231,8 @@ static inline void get_page(struct page > static inline void put_page(struct page *page) > { > if (PageCompound(page)) { > + page = (struct page *)page->lru.next; > if (put_page_testzero(page)) { > - page = (struct page *)page->lru.next; > if (page->lru.prev) { /* destructor? */ > (*(void (*)(struct page *))page->lru.prev)(page); > } else { > > _ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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