C++ (Cpp) free_page_and_swap_cache 예제들

예제 #1

파일: memory.c 프로젝트: fgeraci/cs518-sched

/*
 * Called by TLB shootdown 
 */
void __free_pte(pte_t pte)
{
	struct page *page = pte_page(pte);
	if ((!VALID_PAGE(page)) || PageReserved(page))
		return;
	if (pte_dirty(pte))
		set_page_dirty(page);		
	free_page_and_swap_cache(page);
}

예제 #2

파일: generic.c 프로젝트: dmgerman/linux-pre-history

static inline void forget_pte(pte_t page)
{
	if (pte_none(page))
		return;
	if (pte_present(page)) {
		struct page *ptpage = pte_page(page);
		if ((!VALID_PAGE(ptpage)) || PageReserved(ptpage))
			return;
		/* 
		 * free_page() used to be able to clear swap cache
		 * entries.  We may now have to do it manually.  
		 */
		free_page_and_swap_cache(ptpage);
		return;
	}
	swap_free(pte_to_swp_entry(page));
}

예제 #3

static inline void forget_pte(pte_t page)
{
	if (pte_none(page))
		return;
	if (pte_present(page)) {
		unsigned long addr = pte_page(page);
		if (MAP_NR(addr) >= max_mapnr || PageReserved(mem_map+MAP_NR(addr)))
			return;
		/* 
		 * free_page() used to be able to clear swap cache
		 * entries.  We may now have to do it manually.  
		 */
		free_page_and_swap_cache(addr);
		return;
	}
	swap_free(pte_val(page));
}

예제 #4

파일: memory.c 프로젝트: davidbau/davej

/*
 * Return indicates whether a page was freed so caller can adjust rss
 */
static inline int free_pte(pte_t pte)
{
	if (pte_present(pte)) {
		struct page *page = pte_page(pte);
		if ((!VALID_PAGE(page)) || PageReserved(page))
			return 0;
		/* 
		 * free_page() used to be able to clear swap cache
		 * entries.  We may now have to do it manually.  
		 */
		if (pte_dirty(pte) && page->mapping)
			set_page_dirty(page);
		free_page_and_swap_cache(page);
		return 1;
	}
	swap_free(pte_to_swp_entry(pte));
	return 0;
}