summaryrefslogtreecommitdiff
path: root/arch/sparc/mm/hugetlbpage.c
diff options
context:
space:
mode:
authorNitin Gupta <nitin.m.gupta@oracle.com>2017-03-09 14:22:23 -0800
committerDavid S. Miller <davem@davemloft.net>2017-03-27 21:20:23 -0700
commit85b1da7c47052330af9485a5f5c7e54ede882e65 (patch)
treefb40f96203e4881d07fe8da71a0a723cf6344616 /arch/sparc/mm/hugetlbpage.c
parent59f1183dd368f12c0a80da3c91a4a42afa4e1d38 (diff)
sparc64: Add support for 2G hugepages
Signed-off-by: Nitin Gupta <nitin.m.gupta@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/mm/hugetlbpage.c')
-rw-r--r--arch/sparc/mm/hugetlbpage.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
index 30168500603e..ee5273ad918d 100644
--- a/arch/sparc/mm/hugetlbpage.c
+++ b/arch/sparc/mm/hugetlbpage.c
@@ -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;