[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] linux-2.6.18/x86: undo_limit_pages() must reset page count
... before calling __free_pages() as it is already being called in the context of that or similar function (which used put_page_test_zero() first or otherwise assumes the page count is zero). Reported-by: Daniel Kiper <dkiper@xxxxxxxxxxxx> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> --- a/arch/i386/mm/hypervisor.c +++ b/arch/i386/mm/hypervisor.c @@ -437,6 +437,7 @@ static void undo_limit_pages(struct page BUG_ON(order > max_contig_order); xen_limit_pages_to_max_mfn(pages, order, 0); ClearPageForeign(pages); + init_page_count(pages); __free_pages(pages, order); } Attachment:
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