Messages in this thread | | | Date | Mon, 18 Aug 2008 14:21:23 -0500 | From | Christoph Lameter <> | Subject | Re: [BUG] __GFP_THISNODE is not always honored |
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Adam Litke wrote: > > So far my debugging has led me to get_page_from_freelist() inside the > for_each_zone_zonelist() loop. When buffered_rmqueue() returns a page I > compare the value of page_to_nid(page), zone->node and the node that the > hugetlb code requested with __GFP_THISNODE. These all match -- except when the > problem triggers. In that case, zone->node matches the node we asked for but > page_to_nid() does not.
Uhhh.. A page that was just taken off the freelist? So we may have freed or coalesced a page to the wrong zone? Looks like there is something more fundamental that broke here.
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