Messages in this thread |  | | Date | Wed, 13 Nov 2013 14:44:45 -0800 | From | "H. Peter Anvin" <> | Subject | Re: /proc/vmcore mmap() failure issue |
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On 11/13/2013 02:41 PM, Vivek Goyal wrote: > > Hi Peter, > > I noticed we seem to be trimming away partial pages in memblock. > > memblock_x86_fill() { > /* throw away partial pages */ > memblock_trim_memory(PAGE_SIZE); > } > > But not in e820 hence they show up in /proc/iomem. >
Why does /proc/iomem matter?
> How about something along the lines as below patch. This fixes my > /proc/vmcore mmap() issue.
I'm not sure if what you're seeing is something that is better handled in userspace.
-hpa
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