Remove duplicating code by using common functions
vmemmap_pud_populate and vmemmap_pgd_populate.
Signed-off-by: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>
Reviewed-by: Steven Sistare <steven.sistare@xxxxxxxxxx>
Reviewed-by: Daniel Jordan <daniel.m.jordan@xxxxxxxxxx>
Reviewed-by: Bob Picco <bob.picco@xxxxxxxxxx>
Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
---
arch/sparc/mm/init_64.c | 23 ++++++-----------------
1 file changed, 6 insertions(+), 17 deletions(-)
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index caed495544e9..6839db3ffe1d 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -2652,30 +2652,19 @@ int __meminit vmemmap_populate(unsigned long vstart, unsigned long vend,
vstart = vstart & PMD_MASK;
vend = ALIGN(vend, PMD_SIZE);
for (; vstart < vend; vstart += PMD_SIZE) {
- pgd_t *pgd = pgd_offset_k(vstart);
+ pgd_t *pgd = vmemmap_pgd_populate(vstart, node);
unsigned long pte;
pud_t *pud;
pmd_t *pmd;
- if (pgd_none(*pgd)) {
- pud_t *new = vmemmap_alloc_block(PAGE_SIZE, node);
+ if (!pgd)
+ return -ENOMEM;
- if (!new)
- return -ENOMEM;
- pgd_populate(&init_mm, pgd, new);
- }
-
- pud = pud_offset(pgd, vstart);
- if (pud_none(*pud)) {
- pmd_t *new = vmemmap_alloc_block(PAGE_SIZE, node);
-
- if (!new)
- return -ENOMEM;
- pud_populate(&init_mm, pud, new);
- }
+ pud = vmemmap_pud_populate(pgd, vstart, node);
+ if (!pud)
+ return -ENOMEM;
pmd = pmd_offset(pud, vstart);
-
pte = pmd_val(*pmd);
if (!(pte & _PAGE_VALID)) {
void *block = vmemmap_alloc_block(PMD_SIZE, node);
--
2.14.2
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