Indeed. I'll take credit for this thinko... On Tue, 2008-02-19 at 18:28 +0000, Andy Whitcroft wrote: > When we free a page via free_huge_page and we detect that we are in > surplus the page will be returned to the buddy. After this we no longer > own the page. However at the end free_huge_page we clear out our mapping > pointer from page private. Even where the page is not a surplus we > free the page to the hugepage pool, drop the pool locks and then clear > page private. In either case the page may have been reallocated. BAD. > > Make sure we clear out page private before we free the page. > > Signed-off-by: Andy Whitcroft <[EMAIL PROTECTED]>
Acked-by: Adam Litke <[EMAIL PROTECTED]> -- Adam Litke - (agl at us.ibm.com) IBM Linux Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
