ftgmac100: Remove rx descriptor accessors

[karo-tx-linux.git] / mm / sparse-vmemmap.c

diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
index 574c67b663fe8a6ef802b36cb0379d21c96cb77c..a56c3989f77312085f31124f7705908a5f69609a 100644 (file)
--- a/mm/sparse-vmemmap.c
+++ b/mm/sparse-vmemmap.c
@@ -196,9 +196,9 @@ pmd_t * __meminit vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node)
        return pmd;
 }
 
-pud_t * __meminit vmemmap_pud_populate(pgd_t *pgd, unsigned long addr, int node)
+pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node)
 {
-       pud_t *pud = pud_offset(pgd, addr);
+       pud_t *pud = pud_offset(p4d, addr);
        if (pud_none(*pud)) {
                void *p = vmemmap_alloc_block(PAGE_SIZE, node);
                if (!p)
@@ -208,6 +208,18 @@ pud_t * __meminit vmemmap_pud_populate(pgd_t *pgd, unsigned long addr, int node)
        return pud;
 }
 
+p4d_t * __meminit vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node)
+{
+       p4d_t *p4d = p4d_offset(pgd, addr);
+       if (p4d_none(*p4d)) {
+               void *p = vmemmap_alloc_block(PAGE_SIZE, node);
+               if (!p)
+                       return NULL;
+               p4d_populate(&init_mm, p4d, p);
+       }
+       return p4d;
+}
+
 pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node)
 {
        pgd_t *pgd = pgd_offset_k(addr);
@@ -225,6 +237,7 @@ int __meminit vmemmap_populate_basepages(unsigned long start,
 {
        unsigned long addr = start;
        pgd_t *pgd;
+       p4d_t *p4d;
        pud_t *pud;
        pmd_t *pmd;
        pte_t *pte;
@@ -233,7 +246,10 @@ int __meminit vmemmap_populate_basepages(unsigned long start,
                pgd = vmemmap_pgd_populate(addr, node);
                if (!pgd)
                        return -ENOMEM;
-               pud = vmemmap_pud_populate(pgd, addr, node);
+               p4d = vmemmap_p4d_populate(pgd, addr, node);
+               if (!p4d)
+                       return -ENOMEM;
+               pud = vmemmap_pud_populate(p4d, addr, node);
                if (!pud)
                        return -ENOMEM;
                pmd = vmemmap_pmd_populate(pud, addr, node);