----- "Per Fransson" <per.fransson.ml@xxxxxxxxx> wrote:
> Hi,
>
> I'm wondering why kmem -f uses the spanned pages of every zone when
> reporting its size. Wouldn't it be more informative to get a value
> which excludes any holes?
>
> This is the code from memory.c I'm thinking of:
>
> /*
> * Same as dump_free_pages_zones_v1(), but updated for numerous 2.6 zone
> * and free_area related data structure changes.
> */
> static void
> dump_free_pages_zones_v2(struct meminfo *fi)
> {
> [...]
> if (VALID_MEMBER(zone_spanned_pages))
> zone_size_offset = OFFSET(zone_spanned_pages);
> else
> error(FATAL, "zone struct has no spanned_pages field\n");
> [...]
> }
You can get the present pages with "kmem -z".
Dave
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