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sparc64: Add support for 2G hugepages

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Signed-off-by: Nitin Gupta <nitin.m.gupta@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nitin Gupta
2017-03-09 14:22:23 -08:00
committed by David S. Miller
parent 59f1183dd3
commit 85b1da7c47
3 changed files with 13 additions and 1 deletions
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7
arch/sparc/mm/hugetlbpage.c
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@@ -143,6 +143,10 @@ static pte_t sun4v_hugepage_shift_to_tte(pte_t entry, unsigned int shift)
pte_val(entry) = pte_val(entry) & ~_PAGE_SZALL_4V;
switch (shift) {
case HPAGE_2GB_SHIFT:
hugepage_size = _PAGE_SZ2GB_4V;
pte_val(entry) |= _PAGE_PMD_HUGE;
break;
case HPAGE_256MB_SHIFT:
hugepage_size = _PAGE_SZ256MB_4V;
pte_val(entry) |= _PAGE_PMD_HUGE;
@@ -183,6 +187,9 @@ static unsigned int sun4v_huge_tte_to_shift(pte_t entry)
unsigned int shift;
switch (tte_szbits) {
case _PAGE_SZ2GB_4V:
shift = HPAGE_2GB_SHIFT;
break;
case _PAGE_SZ256MB_4V:
shift = HPAGE_256MB_SHIFT;
break;