Messages in this thread Patch in this message |  | | Date | Thu, 27 Sep 2001 11:20:45 +0200 (CEST) | From | Ingo Molnar <> | Subject | Re: __get_free_pages(): is the MEM really mine? |
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another method is to apply the attached patch to 2.4.10, and watch the stack traces whether it all happens in the order and places you intended it to. Your driver should be the only thing doing order-9 allocations on your system.
Ingo
--- linux/mm/page_alloc.c.orig Thu Sep 27 11:04:02 2001 +++ linux/mm/page_alloc.c Thu Sep 27 11:05:27 2001 @@ -70,6 +70,10 @@ struct page *base; zone_t *zone;
+ if (order == 9) { + printk("free_pages order 9 called.\n"); + show_stack(NULL); + } if (page->buffers) BUG(); if (page->mapping) @@ -319,6 +323,10 @@ struct page * page; int freed;
+ if (order == 9) { + printk("alloc_pages order 9 called.\n"); + show_stack(NULL); + } zone = zonelist->zones; classzone = *zone; for (;;) { - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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