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powerpc/mm/hash64: Increase the VA range

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This patch increases the max virtual (effective) address value to 4PB.
With 4K page size config we continue to limit ourself to 64TB.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
[mpe: Keep the H_PGTABLE_RANGE test, update it to work]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Aneesh Kumar K.V
2018-03-26 15:34:49 +05:30
committed by Michael Ellerman
parent f384796c40
commit c2b4d8b741
5 changed files with 13 additions and 13 deletions
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4
arch/powerpc/mm/pgtable-hash64.c
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@@ -24,6 +24,10 @@
#define CREATE_TRACE_POINTS
#include <trace/events/thp.h>
#if H_PGTABLE_RANGE > (USER_VSID_RANGE * (TASK_SIZE_USER64 / TASK_CONTEXT_SIZE))
#warning Limited user VSID range means pagetable space is wasted
#endif
#ifdef CONFIG_SPARSEMEM_VMEMMAP
/*
* vmemmap is the starting address of the virtual address space where