pte = *pt; if (!pte_present(pte)) pt = NULL; } 
static inline pte_t *find_linux_pte(pgd_t *pgdir, unsigned long ea){	pgd_t *pg;	pud_t *pu;	pmd_t *pm;	pte_t *pt = NULL;	pte_t pte;	pg = pgdir + pgd_index(ea);	if (!pgd_none(*pg)) {		pu = pud_offset(pg, ea);		if (!pud_none(*pu)) {			pm = pmd_offset(pu, ea);			if (pmd_present(*pm)) {				pt = pte_offset_kernel(pm, ea);				pte = *pt;				if (!pte_present(pte))					pt = NULL;			}		}	}	return pt;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/3c726f8dee6f55e96475574e9f645327e461884c/pgtable.h/clean/include/asm-ppc64/pgtable.h