Messages in this thread |  | | | Date | Fri, 17 Jun 2011 18:11:39 +0100 | | Subject | Re: [Xen-devel] [PATCH 1/3] x86: calculate precisely the memory needed by init_memory_mapping | | From | Ian Jackson <> |
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stefano.stabellini@eu.citrix.com writes ("[Xen-devel] [PATCH 1/3] x86: calculate precisely the memory needed by init_memory_mapping"): > + if (pgt_buf_end != pgt_buf_top) > + printk(KERN_DEBUG "initial kernel pagetable allocation wasted %lx" > + " pages\n", pgt_buf_top - pgt_buf_end);
If (due to a bug) pgt_buf_end > pgt_buf_top, this will printk a message about wasting a negative number of pages, rather than crashing. Is there something else that will catch this case ? Ian.
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