C++ (Cpp) zap_pte_rangeの例

コード例 #1

ファイル: memory.c プロジェクト: davidbau/davej

static inline int zap_pmd_range(struct mm_struct *mm, pgd_t * dir, unsigned long address, unsigned long size)
{
	pmd_t * pmd;
	unsigned long end;
	int freed;

	if (pgd_none(*dir))
		return 0;
	if (pgd_bad(*dir)) {
		pgd_ERROR(*dir);
		pgd_clear(dir);
		return 0;
	}
	pmd = pmd_offset(dir, address);
	address &= ~PGDIR_MASK;
	end = address + size;
	if (end > PGDIR_SIZE)
		end = PGDIR_SIZE;
	freed = 0;
	do {
		freed += zap_pte_range(mm, pmd, address, end - address);
		address = (address + PMD_SIZE) & PMD_MASK; 
		pmd++;
	} while (address < end);
	return freed;
}

コード例 #2

ファイル: memory.c プロジェクト: shattered/linux-m68k

static inline void zap_pmd_range(pgd_t * dir, unsigned long address, unsigned long size)
{
	pmd_t * pmd;
	unsigned long end;

	if (pgd_none(*dir))
		return;
	if (pgd_bad(*dir)) {
		printk("zap_pmd_range: bad pgd (%08lx)\n", pgd_val(*dir));
		pgd_clear(dir);
		return;
	}
	pmd = pmd_offset(dir, address);
	address &= ~PGDIR_MASK;
	end = address + size;
	if (end > PGDIR_SIZE)
		end = PGDIR_SIZE;
	do {
		zap_pte_range(pmd, address, end - address);
		address = (address + PMD_SIZE) & PMD_MASK; 
		pmd++;
	} while (address < end);
}