LXR linux/arch/x86/mm/kmemcheck/pte.c

   1#include <linux/mm.h>
   2
   3#include <asm/pgtable.h>
   4
   5#include "pte.h"
   6
   7pte_t *kmemcheck_pte_lookup(unsigned long address)
   8{
   9        pte_t *pte;
  10        unsigned int level;
  11
  12        pte = lookup_address(address, &level);
  13        if (!pte)
  14                return NULL;
  15        if (level != PG_LEVEL_4K)
  16                return NULL;
  17        if (!pte_hidden(*pte))
  18                return NULL;
  19
  20        return pte;
  21}
  22
  23