C++ (Cpp) choose_memblock_flags Beispiele

Beispiel #1

Datei: nobootmem.c Projekt: a2hojsjsjs/linux

static void * __init __alloc_memory_core_early(int nid, u64 size, u64 align,
					u64 goal, u64 limit)
{
	void *ptr;
	u64 addr;
	ulong flags = choose_memblock_flags();

	if (limit > memblock.current_limit)
		limit = memblock.current_limit;

again:
	addr = memblock_find_in_range_node(size, align, goal, limit, nid,
					   flags);
	if (!addr && (flags & MEMBLOCK_MIRROR)) {
		flags &= ~MEMBLOCK_MIRROR;
		pr_warn("Could not allocate %pap bytes of mirrored memory\n",
			&size);
		goto again;
	}
	if (!addr)
		return NULL;

	if (memblock_reserve(addr, size))
		return NULL;

	ptr = phys_to_virt(addr);
	memset(ptr, 0, size);
	/*
	 * The min_count is set to 0 so that bootmem allocated blocks
	 * are never reported as leaks.
	 */
	kmemleak_alloc(ptr, size, 0, 0);
	return ptr;
}

Beispiel #2

Datei: bootmem_memblk.c Projekt: lastweek/Sandix

static void * __init __alloc_memory_core_early(int nid, u64 size, u64 align,
					       u64 goal, u64 limit)
{
	phys_addr_t addr;
	void *ptr;
	unsigned long flags = choose_memblock_flags();

	if (WARN_ON_ONCE(limit > memblock.current_limit)) {
		limit = memblock.current_limit;
	}

again:
	addr = memblock_find_in_range_node(size, align, goal, limit, nid, flags);
	if (!addr && (flags & MEMBLOCK_MIRROR)) {
		flags &= ~MEMBLOCK_MIRROR;
		pr_warn("Could not allocate %pap bytes of mirrored memory\n",
			&size);
		goto again;
	}
	if (!addr)
		return NULL;

	if (memblock_reserve(addr, size))
		return NULL;

	ptr = phys_to_virt(addr);
	memset(ptr, 0, size);
	return ptr;
}