....
@@ -71,8 +135,8 @@ static int early_map_kernel_page(unsigned long ea, unsigned
long pa,
>
> pgdp = pgd_offset_k(ea);
> if (pgd_none(*pgdp)) {
> - pudp = early_alloc_pgtable(PUD_TABLE_SIZE, nid,
> - region_start, region_end);
> + pudp = early_alloc_pgtable(PAGE_SIZE, nid, region_start,
> + region_end);
> pgd_populate(&init_mm, pgdp, pudp);
Add a comment here explaining why we are using PAGE_SIZE instead of the
required PUD_TABLE_SIZE.
> }
> pudp = pud_offset(pgdp, ea);
> @@ -81,8 +145,8 @@ static int early_map_kernel_page(unsigned long ea,
> unsigned long pa,
> goto set_the_pte;
> }
> if (pud_none(*pudp)) {
> - pmdp = early_alloc_pgtable(PMD_TABLE_SIZE, nid,
> - region_start, region_end);
> + pmdp = early_alloc_pgtable(PAGE_SIZE, nid, region_start,
> + region_end);
> pud_populate(&init_mm, pudp, pmdp);
> }
> pmdp = pmd_offset(pudp, ea);
-aneesh
