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spapr: Make hash table size a factor of maxram_size 

The hash table size is dependent on ram_size, but since with hotplug
the memory can grow till maxram_size. Hence make hash table size dependent
on maxram_size.

This allows to hotplug huge amounts of memory to the guest.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Bharata B Rao 2015-06-29 14:14:30 +05:30 committed by David Gibson
parent 03d196b7c5
commit ce881f774d
1 changed files with 1 additions and 1 deletions
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2
hw/ppc/spapr.c
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@ -1715,7 +1715,7 @@ static void ppc_spapr_init(MachineState *machine)
* more than needed for the Linux guests we support. */
spapr->htab_shift = 18; /* Minimum architected size */
while (spapr->htab_shift <= 46) {
if ((1ULL << (spapr->htab_shift + 7)) >= machine->ram_size) {
if ((1ULL << (spapr->htab_shift + 7)) >= machine->maxram_size) {
break;
}
spapr->htab_shift++;