Messages in this thread Patch in this message | | | Date | Tue, 8 Apr 2003 02:04:39 -0700 | From | Andrew Morton <> | Subject | Re: Kernel BUG linux-2.5.67 |
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"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 { _
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