Yasunori Goto wrote:
I found find_next_best_node() was wrong. I confirmed boot up by the following patch. Mel-san, Kamalesh-san, could you try this? Bye. --- Fix decision of memoryless node in find_next_best_node(). This can be cause of SW-IOMMU's allocation failure. This patch is for 2.6.23-rc3-mm1. Signed-off-by: Yasunori Goto <y-goto@xxxxxxxxxxxxxx> --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: current/mm/page_alloc.c =================================================================== --- current.orig/mm/page_alloc.c 2007-08-24 16:03:17.000000000 +0900 +++ current/mm/page_alloc.c 2007-08-24 16:04:06.000000000 +0900 @@ -2136,7 +2136,7 @@ static int find_next_best_node(int node, * Note: N_HIGH_MEMORY state not guaranteed to be * populated yet. */ - if (pgdat->node_present_pages) + if (!pgdat->node_present_pages) continue; /* Don't want a node to appear more than once */
This patch resolves the kernel panic problem. - Kamalesh Babulal. - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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