#include <asm/pgalloc.h>
#include <asm/pgtable.h>
-static void idmap_add_pmd(pgd_t *pgd, unsigned long addr, unsigned long end,
+static void idmap_add_pmd(pud_t *pud, unsigned long addr, unsigned long end,
unsigned long prot)
{
- pmd_t *pmd = pmd_offset(pgd, addr);
+ pmd_t *pmd = pmd_offset(pud, addr);
addr = (addr & PMD_MASK) | prot;
pmd[0] = __pmd(addr);
flush_pmd_entry(pmd);
}
+static void idmap_add_pud(pgd_t *pgd, unsigned long addr, unsigned long end,
+ unsigned long prot)
+{
+ pud_t *pud = pud_offset(pgd, addr);
+ unsigned long next;
+
+ do {
+ next = pud_addr_end(addr, end);
+ idmap_add_pmd(pud, addr, next, prot);
+ } while (pud++, addr = next, addr != end);
+}
+
void identity_mapping_add(pgd_t *pgd, unsigned long addr, unsigned long end)
{
unsigned long prot, next;
pgd += pgd_index(addr);
do {
next = pgd_addr_end(addr, end);
- idmap_add_pmd(pgd, addr, next, prot);
+ idmap_add_pud(pgd, addr, next, prot);
} while (pgd++, addr = next, addr != end);
}
#ifdef CONFIG_SMP
-static void idmap_del_pmd(pgd_t *pgd, unsigned long addr, unsigned long end)
+static void idmap_del_pmd(pud_t *pud, unsigned long addr, unsigned long end)
{
- pmd_t *pmd = pmd_offset(pgd, addr);
+ pmd_t *pmd = pmd_offset(pud, addr);
pmd_clear(pmd);
}
+static void idmap_del_pud(pgd_t *pgd, unsigned long addr, unsigned long end)
+{
+ pud_t *pud = pud_offset(pgd, addr);
+ unsigned long next;
+
+ do {
+ next = pud_addr_end(addr, end);
+ idmap_del_pmd(pud, addr, next);
+ } while (pud++, addr = next, addr != end);
+}
+
void identity_mapping_del(pgd_t *pgd, unsigned long addr, unsigned long end)
{
unsigned long next;
pgd += pgd_index(addr);
do {
next = pgd_addr_end(addr, end);
- idmap_del_pmd(pgd, addr, next);
+ idmap_del_pud(pgd, addr, next);
} while (pgd++, addr = next, addr != end);
}
#endif