memblock: Rename memblock_region to memblock_type and memblock_property to memblock_region
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/mm/memblock.c b/mm/memblock.c
index 43840b3..6f407cc 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -29,7 +29,7 @@
}
early_param("memblock", early_memblock);
-static void memblock_dump(struct memblock_region *region, char *name)
+static void memblock_dump(struct memblock_type *region, char *name)
{
unsigned long long base, size;
int i;
@@ -37,8 +37,8 @@
pr_info(" %s.cnt = 0x%lx\n", name, region->cnt);
for (i = 0; i < region->cnt; i++) {
- base = region->region[i].base;
- size = region->region[i].size;
+ base = region->regions[i].base;
+ size = region->regions[i].size;
pr_info(" %s[0x%x]\t0x%016llx - 0x%016llx, 0x%llx bytes\n",
name, i, base, base + size - 1, size);
@@ -74,34 +74,34 @@
return 0;
}
-static long memblock_regions_adjacent(struct memblock_region *rgn,
+static long memblock_regions_adjacent(struct memblock_type *type,
unsigned long r1, unsigned long r2)
{
- u64 base1 = rgn->region[r1].base;
- u64 size1 = rgn->region[r1].size;
- u64 base2 = rgn->region[r2].base;
- u64 size2 = rgn->region[r2].size;
+ u64 base1 = type->regions[r1].base;
+ u64 size1 = type->regions[r1].size;
+ u64 base2 = type->regions[r2].base;
+ u64 size2 = type->regions[r2].size;
return memblock_addrs_adjacent(base1, size1, base2, size2);
}
-static void memblock_remove_region(struct memblock_region *rgn, unsigned long r)
+static void memblock_remove_region(struct memblock_type *type, unsigned long r)
{
unsigned long i;
- for (i = r; i < rgn->cnt - 1; i++) {
- rgn->region[i].base = rgn->region[i + 1].base;
- rgn->region[i].size = rgn->region[i + 1].size;
+ for (i = r; i < type->cnt - 1; i++) {
+ type->regions[i].base = type->regions[i + 1].base;
+ type->regions[i].size = type->regions[i + 1].size;
}
- rgn->cnt--;
+ type->cnt--;
}
/* Assumption: base addr of region 1 < base addr of region 2 */
-static void memblock_coalesce_regions(struct memblock_region *rgn,
+static void memblock_coalesce_regions(struct memblock_type *type,
unsigned long r1, unsigned long r2)
{
- rgn->region[r1].size += rgn->region[r2].size;
- memblock_remove_region(rgn, r2);
+ type->regions[r1].size += type->regions[r2].size;
+ memblock_remove_region(type, r2);
}
void __init memblock_init(void)
@@ -109,13 +109,13 @@
/* Create a dummy zero size MEMBLOCK which will get coalesced away later.
* This simplifies the memblock_add() code below...
*/
- memblock.memory.region[0].base = 0;
- memblock.memory.region[0].size = 0;
+ memblock.memory.regions[0].base = 0;
+ memblock.memory.regions[0].size = 0;
memblock.memory.cnt = 1;
/* Ditto. */
- memblock.reserved.region[0].base = 0;
- memblock.reserved.region[0].size = 0;
+ memblock.reserved.regions[0].base = 0;
+ memblock.reserved.regions[0].size = 0;
memblock.reserved.cnt = 1;
}
@@ -126,24 +126,24 @@
memblock.memory.size = 0;
for (i = 0; i < memblock.memory.cnt; i++)
- memblock.memory.size += memblock.memory.region[i].size;
+ memblock.memory.size += memblock.memory.regions[i].size;
}
-static long memblock_add_region(struct memblock_region *rgn, u64 base, u64 size)
+static long memblock_add_region(struct memblock_type *type, u64 base, u64 size)
{
unsigned long coalesced = 0;
long adjacent, i;
- if ((rgn->cnt == 1) && (rgn->region[0].size == 0)) {
- rgn->region[0].base = base;
- rgn->region[0].size = size;
+ if ((type->cnt == 1) && (type->regions[0].size == 0)) {
+ type->regions[0].base = base;
+ type->regions[0].size = size;
return 0;
}
/* First try and coalesce this MEMBLOCK with another. */
- for (i = 0; i < rgn->cnt; i++) {
- u64 rgnbase = rgn->region[i].base;
- u64 rgnsize = rgn->region[i].size;
+ for (i = 0; i < type->cnt; i++) {
+ u64 rgnbase = type->regions[i].base;
+ u64 rgnsize = type->regions[i].size;
if ((rgnbase == base) && (rgnsize == size))
/* Already have this region, so we're done */
@@ -151,61 +151,59 @@
adjacent = memblock_addrs_adjacent(base, size, rgnbase, rgnsize);
if (adjacent > 0) {
- rgn->region[i].base -= size;
- rgn->region[i].size += size;
+ type->regions[i].base -= size;
+ type->regions[i].size += size;
coalesced++;
break;
} else if (adjacent < 0) {
- rgn->region[i].size += size;
+ type->regions[i].size += size;
coalesced++;
break;
}
}
- if ((i < rgn->cnt - 1) && memblock_regions_adjacent(rgn, i, i+1)) {
- memblock_coalesce_regions(rgn, i, i+1);
+ if ((i < type->cnt - 1) && memblock_regions_adjacent(type, i, i+1)) {
+ memblock_coalesce_regions(type, i, i+1);
coalesced++;
}
if (coalesced)
return coalesced;
- if (rgn->cnt >= MAX_MEMBLOCK_REGIONS)
+ if (type->cnt >= MAX_MEMBLOCK_REGIONS)
return -1;
/* Couldn't coalesce the MEMBLOCK, so add it to the sorted table. */
- for (i = rgn->cnt - 1; i >= 0; i--) {
- if (base < rgn->region[i].base) {
- rgn->region[i+1].base = rgn->region[i].base;
- rgn->region[i+1].size = rgn->region[i].size;
+ for (i = type->cnt - 1; i >= 0; i--) {
+ if (base < type->regions[i].base) {
+ type->regions[i+1].base = type->regions[i].base;
+ type->regions[i+1].size = type->regions[i].size;
} else {
- rgn->region[i+1].base = base;
- rgn->region[i+1].size = size;
+ type->regions[i+1].base = base;
+ type->regions[i+1].size = size;
break;
}
}
- if (base < rgn->region[0].base) {
- rgn->region[0].base = base;
- rgn->region[0].size = size;
+ if (base < type->regions[0].base) {
+ type->regions[0].base = base;
+ type->regions[0].size = size;
}
- rgn->cnt++;
+ type->cnt++;
return 0;
}
long memblock_add(u64 base, u64 size)
{
- struct memblock_region *_rgn = &memblock.memory;
-
/* On pSeries LPAR systems, the first MEMBLOCK is our RMO region. */
if (base == 0)
memblock.rmo_size = size;
- return memblock_add_region(_rgn, base, size);
+ return memblock_add_region(&memblock.memory, base, size);
}
-static long __memblock_remove(struct memblock_region *rgn, u64 base, u64 size)
+static long __memblock_remove(struct memblock_type *type, u64 base, u64 size)
{
u64 rgnbegin, rgnend;
u64 end = base + size;
@@ -214,34 +212,34 @@
rgnbegin = rgnend = 0; /* supress gcc warnings */
/* Find the region where (base, size) belongs to */
- for (i=0; i < rgn->cnt; i++) {
- rgnbegin = rgn->region[i].base;
- rgnend = rgnbegin + rgn->region[i].size;
+ for (i=0; i < type->cnt; i++) {
+ rgnbegin = type->regions[i].base;
+ rgnend = rgnbegin + type->regions[i].size;
if ((rgnbegin <= base) && (end <= rgnend))
break;
}
/* Didn't find the region */
- if (i == rgn->cnt)
+ if (i == type->cnt)
return -1;
/* Check to see if we are removing entire region */
if ((rgnbegin == base) && (rgnend == end)) {
- memblock_remove_region(rgn, i);
+ memblock_remove_region(type, i);
return 0;
}
/* Check to see if region is matching at the front */
if (rgnbegin == base) {
- rgn->region[i].base = end;
- rgn->region[i].size -= size;
+ type->regions[i].base = end;
+ type->regions[i].size -= size;
return 0;
}
/* Check to see if the region is matching at the end */
if (rgnend == end) {
- rgn->region[i].size -= size;
+ type->regions[i].size -= size;
return 0;
}
@@ -249,8 +247,8 @@
* We need to split the entry - adjust the current one to the
* beginging of the hole and add the region after hole.
*/
- rgn->region[i].size = base - rgn->region[i].base;
- return memblock_add_region(rgn, end, rgnend - end);
+ type->regions[i].size = base - type->regions[i].base;
+ return memblock_add_region(type, end, rgnend - end);
}
long memblock_remove(u64 base, u64 size)
@@ -265,25 +263,25 @@
long __init memblock_reserve(u64 base, u64 size)
{
- struct memblock_region *_rgn = &memblock.reserved;
+ struct memblock_type *_rgn = &memblock.reserved;
BUG_ON(0 == size);
return memblock_add_region(_rgn, base, size);
}
-long memblock_overlaps_region(struct memblock_region *rgn, u64 base, u64 size)
+long memblock_overlaps_region(struct memblock_type *type, u64 base, u64 size)
{
unsigned long i;
- for (i = 0; i < rgn->cnt; i++) {
- u64 rgnbase = rgn->region[i].base;
- u64 rgnsize = rgn->region[i].size;
+ for (i = 0; i < type->cnt; i++) {
+ u64 rgnbase = type->regions[i].base;
+ u64 rgnsize = type->regions[i].size;
if (memblock_addrs_overlap(base, size, rgnbase, rgnsize))
break;
}
- return (i < rgn->cnt) ? i : -1;
+ return (i < type->cnt) ? i : -1;
}
static u64 memblock_align_down(u64 addr, u64 size)
@@ -311,7 +309,7 @@
base = ~(u64)0;
return base;
}
- res_base = memblock.reserved.region[j].base;
+ res_base = memblock.reserved.regions[j].base;
if (res_base < size)
break;
base = memblock_align_down(res_base - size, align);
@@ -320,7 +318,7 @@
return ~(u64)0;
}
-static u64 __init memblock_alloc_nid_region(struct memblock_property *mp,
+static u64 __init memblock_alloc_nid_region(struct memblock_region *mp,
u64 (*nid_range)(u64, u64, int *),
u64 size, u64 align, int nid)
{
@@ -350,7 +348,7 @@
u64 __init memblock_alloc_nid(u64 size, u64 align, int nid,
u64 (*nid_range)(u64 start, u64 end, int *nid))
{
- struct memblock_region *mem = &memblock.memory;
+ struct memblock_type *mem = &memblock.memory;
int i;
BUG_ON(0 == size);
@@ -358,7 +356,7 @@
size = memblock_align_up(size, align);
for (i = 0; i < mem->cnt; i++) {
- u64 ret = memblock_alloc_nid_region(&mem->region[i],
+ u64 ret = memblock_alloc_nid_region(&mem->regions[i],
nid_range,
size, align, nid);
if (ret != ~(u64)0)
@@ -402,8 +400,8 @@
max_addr = MEMBLOCK_REAL_LIMIT;
for (i = memblock.memory.cnt - 1; i >= 0; i--) {
- u64 memblockbase = memblock.memory.region[i].base;
- u64 memblocksize = memblock.memory.region[i].size;
+ u64 memblockbase = memblock.memory.regions[i].base;
+ u64 memblocksize = memblock.memory.regions[i].size;
if (memblocksize < size)
continue;
@@ -423,7 +421,7 @@
return 0;
return base;
}
- res_base = memblock.reserved.region[j].base;
+ res_base = memblock.reserved.regions[j].base;
if (res_base < size)
break;
base = memblock_align_down(res_base - size, align);
@@ -442,7 +440,7 @@
{
int idx = memblock.memory.cnt - 1;
- return (memblock.memory.region[idx].base + memblock.memory.region[idx].size);
+ return (memblock.memory.regions[idx].base + memblock.memory.regions[idx].size);
}
/* You must call memblock_analyze() after this. */
@@ -450,7 +448,7 @@
{
unsigned long i;
u64 limit;
- struct memblock_property *p;
+ struct memblock_region *p;
if (!memory_limit)
return;
@@ -458,24 +456,24 @@
/* Truncate the memblock regions to satisfy the memory limit. */
limit = memory_limit;
for (i = 0; i < memblock.memory.cnt; i++) {
- if (limit > memblock.memory.region[i].size) {
- limit -= memblock.memory.region[i].size;
+ if (limit > memblock.memory.regions[i].size) {
+ limit -= memblock.memory.regions[i].size;
continue;
}
- memblock.memory.region[i].size = limit;
+ memblock.memory.regions[i].size = limit;
memblock.memory.cnt = i + 1;
break;
}
- if (memblock.memory.region[0].size < memblock.rmo_size)
- memblock.rmo_size = memblock.memory.region[0].size;
+ if (memblock.memory.regions[0].size < memblock.rmo_size)
+ memblock.rmo_size = memblock.memory.regions[0].size;
memory_limit = memblock_end_of_DRAM();
/* And truncate any reserves above the limit also. */
for (i = 0; i < memblock.reserved.cnt; i++) {
- p = &memblock.reserved.region[i];
+ p = &memblock.reserved.regions[i];
if (p->base > memory_limit)
p->size = 0;
@@ -494,9 +492,9 @@
int i;
for (i = 0; i < memblock.reserved.cnt; i++) {
- u64 upper = memblock.reserved.region[i].base +
- memblock.reserved.region[i].size - 1;
- if ((addr >= memblock.reserved.region[i].base) && (addr <= upper))
+ u64 upper = memblock.reserved.regions[i].base +
+ memblock.reserved.regions[i].size - 1;
+ if ((addr >= memblock.reserved.regions[i].base) && (addr <= upper))
return 1;
}
return 0;
@@ -511,7 +509,7 @@
* Given a <base, len>, find which memory regions belong to this range.
* Adjust the request and return a contiguous chunk.
*/
-int memblock_find(struct memblock_property *res)
+int memblock_find(struct memblock_region *res)
{
int i;
u64 rstart, rend;
@@ -520,8 +518,8 @@
rend = rstart + res->size - 1;
for (i = 0; i < memblock.memory.cnt; i++) {
- u64 start = memblock.memory.region[i].base;
- u64 end = start + memblock.memory.region[i].size - 1;
+ u64 start = memblock.memory.regions[i].base;
+ u64 end = start + memblock.memory.regions[i].size - 1;
if (start > rend)
return -1;