#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/gfp.h>
-#include <linux/slab.h>
#include <linux/types.h>
#include <linux/mm.h>
#include <linux/hugetlb.h>
* Also makes sure that the subpage_prot_table structure is
* reinitialized for the next user.
*/
-void subpage_prot_free(pgd_t *pgd)
+void subpage_prot_free(struct mm_struct *mm)
{
- struct subpage_prot_table *spt = pgd_subpage_prot(pgd);
+ struct subpage_prot_table *spt = &mm->context.spt;
unsigned long i, j, addr;
u32 **p;
spt->maxaddr = 0;
}
+void subpage_prot_init_new_context(struct mm_struct *mm)
+{
+ struct subpage_prot_table *spt = &mm->context.spt;
+
+ memset(spt, 0, sizeof(*spt));
+}
+
static void hpte_flush_range(struct mm_struct *mm, unsigned long addr,
int npages)
{
static void subpage_prot_clear(unsigned long addr, unsigned long len)
{
struct mm_struct *mm = current->mm;
- struct subpage_prot_table *spt = pgd_subpage_prot(mm->pgd);
+ struct subpage_prot_table *spt = &mm->context.spt;
u32 **spm, *spp;
int i, nw;
unsigned long next, limit;
long sys_subpage_prot(unsigned long addr, unsigned long len, u32 __user *map)
{
struct mm_struct *mm = current->mm;
- struct subpage_prot_table *spt = pgd_subpage_prot(mm->pgd);
+ struct subpage_prot_table *spt = &mm->context.spt;
u32 **spm, *spp;
int i, nw;
unsigned long next, limit;