summaryrefslogtreecommitdiffstats
path: root/mm/memblock.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/memblock.c')
-rw-r--r--mm/memblock.c55
1 files changed, 35 insertions, 20 deletions
diff --git a/mm/memblock.c b/mm/memblock.c
index 9318b56..b9ff2f4 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -107,6 +107,7 @@ static long __init_memblock memblock_overlaps_region(struct memblock_type *type,
* @size: size of free area to find
* @align: alignment of free area to find
* @nid: nid of the free area to find, %NUMA_NO_NODE for any node
+ * @flags: pick from blocks based on memory attributes
*
* Utility called from memblock_find_in_range_node(), find free area bottom-up.
*
@@ -115,12 +116,13 @@ static long __init_memblock memblock_overlaps_region(struct memblock_type *type,
*/
static phys_addr_t __init_memblock
__memblock_find_range_bottom_up(phys_addr_t start, phys_addr_t end,
- phys_addr_t size, phys_addr_t align, int nid)
+ phys_addr_t size, phys_addr_t align, int nid,
+ ulong flags)
{
phys_addr_t this_start, this_end, cand;
u64 i;
- for_each_free_mem_range(i, nid, &this_start, &this_end, NULL) {
+ for_each_free_mem_range(i, nid, flags, &this_start, &this_end, NULL) {
this_start = clamp(this_start, start, end);
this_end = clamp(this_end, start, end);
@@ -139,6 +141,7 @@ __memblock_find_range_bottom_up(phys_addr_t start, phys_addr_t end,
* @size: size of free area to find
* @align: alignment of free area to find
* @nid: nid of the free area to find, %NUMA_NO_NODE for any node
+ * @flags: pick from blocks based on memory attributes
*
* Utility called from memblock_find_in_range_node(), find free area top-down.
*
@@ -147,12 +150,14 @@ __memblock_find_range_bottom_up(phys_addr_t start, phys_addr_t end,
*/
static phys_addr_t __init_memblock
__memblock_find_range_top_down(phys_addr_t start, phys_addr_t end,
- phys_addr_t size, phys_addr_t align, int nid)
+ phys_addr_t size, phys_addr_t align, int nid,
+ ulong flags)
{
phys_addr_t this_start, this_end, cand;
u64 i;
- for_each_free_mem_range_reverse(i, nid, &this_start, &this_end, NULL) {
+ for_each_free_mem_range_reverse(i, nid, flags, &this_start, &this_end,
+ NULL) {
this_start = clamp(this_start, start, end);
this_end = clamp(this_end, start, end);
@@ -174,6 +179,7 @@ __memblock_find_range_top_down(phys_addr_t start, phys_addr_t end,
* @start: start of candidate range
* @end: end of candidate range, can be %MEMBLOCK_ALLOC_{ANYWHERE|ACCESSIBLE}
* @nid: nid of the free area to find, %NUMA_NO_NODE for any node
+ * @flags: pick from blocks based on memory attributes
*
* Find @size free area aligned to @align in the specified range and node.
*
@@ -190,7 +196,7 @@ __memblock_find_range_top_down(phys_addr_t start, phys_addr_t end,
*/
phys_addr_t __init_memblock memblock_find_in_range_node(phys_addr_t size,
phys_addr_t align, phys_addr_t start,
- phys_addr_t end, int nid)
+ phys_addr_t end, int nid, ulong flags)
{
phys_addr_t kernel_end, ret;
@@ -215,7 +221,7 @@ phys_addr_t __init_memblock memblock_find_in_range_node(phys_addr_t size,
/* ok, try bottom-up allocation first */
ret = __memblock_find_range_bottom_up(bottom_up_start, end,
- size, align, nid);
+ size, align, nid, flags);
if (ret)
return ret;
@@ -233,7 +239,8 @@ phys_addr_t __init_memblock memblock_find_in_range_node(phys_addr_t size,
"memory hotunplug may be affected\n");
}
- return __memblock_find_range_top_down(start, end, size, align, nid);
+ return __memblock_find_range_top_down(start, end, size, align, nid,
+ flags);
}
/**
@@ -253,7 +260,7 @@ phys_addr_t __init_memblock memblock_find_in_range(phys_addr_t start,
phys_addr_t align)
{
return memblock_find_in_range_node(size, align, start, end,
- NUMA_NO_NODE);
+ NUMA_NO_NODE, MEMBLOCK_NONE);
}
static void __init_memblock memblock_remove_region(struct memblock_type *type, unsigned long r)
@@ -782,6 +789,7 @@ int __init_memblock memblock_clear_hotplug(phys_addr_t base, phys_addr_t size)
* __next__mem_range - next function for for_each_free_mem_range() etc.
* @idx: pointer to u64 loop variable
* @nid: node selector, %NUMA_NO_NODE for all nodes
+ * @flags: pick from blocks based on memory attributes
* @type_a: pointer to memblock_type from where the range is taken
* @type_b: pointer to memblock_type which excludes memory from being taken
* @out_start: ptr to phys_addr_t for start address of the range, can be %NULL
@@ -803,7 +811,7 @@ int __init_memblock memblock_clear_hotplug(phys_addr_t base, phys_addr_t size)
* As both region arrays are sorted, the function advances the two indices
* in lockstep and returns each intersection.
*/
-void __init_memblock __next_mem_range(u64 *idx, int nid,
+void __init_memblock __next_mem_range(u64 *idx, int nid, ulong flags,
struct memblock_type *type_a,
struct memblock_type *type_b,
phys_addr_t *out_start,
@@ -895,6 +903,7 @@ void __init_memblock __next_mem_range(u64 *idx, int nid,
*
* @idx: pointer to u64 loop variable
* @nid: nid: node selector, %NUMA_NO_NODE for all nodes
+ * @flags: pick from blocks based on memory attributes
* @type_a: pointer to memblock_type from where the range is taken
* @type_b: pointer to memblock_type which excludes memory from being taken
* @out_start: ptr to phys_addr_t for start address of the range, can be %NULL
@@ -903,7 +912,7 @@ void __init_memblock __next_mem_range(u64 *idx, int nid,
*
* Reverse of __next_mem_range().
*/
-void __init_memblock __next_mem_range_rev(u64 *idx, int nid,
+void __init_memblock __next_mem_range_rev(u64 *idx, int nid, ulong flags,
struct memblock_type *type_a,
struct memblock_type *type_b,
phys_addr_t *out_start,
@@ -1050,14 +1059,15 @@ int __init_memblock memblock_set_node(phys_addr_t base, phys_addr_t size,
static phys_addr_t __init memblock_alloc_range_nid(phys_addr_t size,
phys_addr_t align, phys_addr_t start,
- phys_addr_t end, int nid)
+ phys_addr_t end, int nid, ulong flags)
{
phys_addr_t found;
if (!align)
align = SMP_CACHE_BYTES;
- found = memblock_find_in_range_node(size, align, start, end, nid);
+ found = memblock_find_in_range_node(size, align, start, end, nid,
+ flags);
if (found && !memblock_reserve(found, size)) {
/*
* The min_count is set to 0 so that memblock allocations are
@@ -1070,26 +1080,30 @@ static phys_addr_t __init memblock_alloc_range_nid(phys_addr_t size,
}
phys_addr_t __init memblock_alloc_range(phys_addr_t size, phys_addr_t align,
- phys_addr_t start, phys_addr_t end)
+ phys_addr_t start, phys_addr_t end,
+ ulong flags)
{
- return memblock_alloc_range_nid(size, align, start, end, NUMA_NO_NODE);
+ return memblock_alloc_range_nid(size, align, start, end, NUMA_NO_NODE,
+ flags);
}
static phys_addr_t __init memblock_alloc_base_nid(phys_addr_t size,
phys_addr_t align, phys_addr_t max_addr,
- int nid)
+ int nid, ulong flags)
{
- return memblock_alloc_range_nid(size, align, 0, max_addr, nid);
+ return memblock_alloc_range_nid(size, align, 0, max_addr, nid, flags);
}
phys_addr_t __init memblock_alloc_nid(phys_addr_t size, phys_addr_t align, int nid)
{
- return memblock_alloc_base_nid(size, align, MEMBLOCK_ALLOC_ACCESSIBLE, nid);
+ return memblock_alloc_base_nid(size, align, MEMBLOCK_ALLOC_ACCESSIBLE,
+ nid, MEMBLOCK_NONE);
}
phys_addr_t __init __memblock_alloc_base(phys_addr_t size, phys_addr_t align, phys_addr_t max_addr)
{
- return memblock_alloc_base_nid(size, align, max_addr, NUMA_NO_NODE);
+ return memblock_alloc_base_nid(size, align, max_addr, NUMA_NO_NODE,
+ MEMBLOCK_NONE);
}
phys_addr_t __init memblock_alloc_base(phys_addr_t size, phys_addr_t align, phys_addr_t max_addr)
@@ -1173,13 +1187,14 @@ static void * __init memblock_virt_alloc_internal(
again:
alloc = memblock_find_in_range_node(size, align, min_addr, max_addr,
- nid);
+ nid, MEMBLOCK_NONE);
if (alloc)
goto done;
if (nid != NUMA_NO_NODE) {
alloc = memblock_find_in_range_node(size, align, min_addr,
- max_addr, NUMA_NO_NODE);
+ max_addr, NUMA_NO_NODE,
+ MEMBLOCK_NONE);
if (alloc)
goto done;
}
OpenPOWER on IntegriCloud