page = pfn_to_page(pfn); if (pte_dirty(pte)) set_page_dirty(page); page_remove_rmap(page); page_cache_release(page); dec_mm_counter(mm, file_rss); 
static inline void zap_pte(struct mm_struct *mm, struct vm_area_struct *vma,			unsigned long addr, pte_t *ptep){	pte_t pte = *ptep;	if (pte_none(pte))		return;	if (pte_present(pte)) {		unsigned long pfn = pte_pfn(pte);		flush_cache_page(vma, addr, pfn);		pte = ptep_clear_flush(vma, addr, ptep);		if (pfn_valid(pfn)) {			struct page *page = pfn_to_page(pfn);			if (!PageReserved(page)) {				if (pte_dirty(pte))					set_page_dirty(page);				page_remove_rmap(page);				page_cache_release(page);				dec_mm_counter(mm, file_rss);			}		}	} else {		if (!pte_file(pte))			free_swap_and_cache(pte_to_swp_entry(pte));		pte_clear(mm, addr, ptep);	}}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/b5810039a54e5babf428e9a1e89fc1940fabff11/fremap.c/clean/mm/fremap.c