for_each_memblock_type macro function relies on idx variable defined in
the caller context. Silent macro arguments are almost always wrong
thing to do. They make code harder to read and easier to get wrong.
Let's use an explicit iterator parameter for for_each_memblock_type and
make the code more obious. This patch is a mere cleanup and it
shouldn't introduce any functional change.
Link: http://lkml.kernel.org/r/20170913133029.28911-1-gi-oh.kim@profitbricks.com
Signed-off-by: Gioh Kim <gi-oh.kim@profitbricks.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
region < (memblock.memblock_type.regions + memblock.memblock_type.cnt); \
region++)
region < (memblock.memblock_type.regions + memblock.memblock_type.cnt); \
region++)
-#define for_each_memblock_type(memblock_type, rgn) \
- for (idx = 0, rgn = &memblock_type->regions[0]; \
- idx < memblock_type->cnt; \
- idx++, rgn = &memblock_type->regions[idx])
+#define for_each_memblock_type(i, memblock_type, rgn) \
+ for (i = 0, rgn = &memblock_type->regions[0]; \
+ i < memblock_type->cnt; \
+ i++, rgn = &memblock_type->regions[i])
#ifdef CONFIG_MEMTEST
extern void early_memtest(phys_addr_t start, phys_addr_t end);
#ifdef CONFIG_MEMTEST
extern void early_memtest(phys_addr_t start, phys_addr_t end);
base = obase;
nr_new = 0;
base = obase;
nr_new = 0;
- for_each_memblock_type(type, rgn) {
+ for_each_memblock_type(idx, type, rgn) {
phys_addr_t rbase = rgn->base;
phys_addr_t rend = rbase + rgn->size;
phys_addr_t rbase = rgn->base;
phys_addr_t rend = rbase + rgn->size;
if (memblock_double_array(type, base, size) < 0)
return -ENOMEM;
if (memblock_double_array(type, base, size) < 0)
return -ENOMEM;
- for_each_memblock_type(type, rgn) {
+ for_each_memblock_type(idx, type, rgn) {
phys_addr_t rbase = rgn->base;
phys_addr_t rend = rbase + rgn->size;
phys_addr_t rbase = rgn->base;
phys_addr_t rend = rbase + rgn->size;
pr_info(" %s.cnt = 0x%lx\n", type->name, type->cnt);
pr_info(" %s.cnt = 0x%lx\n", type->name, type->cnt);
- for_each_memblock_type(type, rgn) {
+ for_each_memblock_type(idx, type, rgn) {
char nid_buf[32] = "";
base = rgn->base;
char nid_buf[32] = "";
base = rgn->base;
unsigned long size = 0;
int idx;
unsigned long size = 0;
int idx;
- for_each_memblock_type((&memblock.reserved), rgn) {
+ for_each_memblock_type(idx, (&memblock.reserved), rgn) {
phys_addr_t start, end;
if (rgn->base + rgn->size < start_addr)
phys_addr_t start, end;
if (rgn->base + rgn->size < start_addr)