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-rw-r--r--mm/memblock.c35
1 files changed, 21 insertions, 14 deletions
diff --git a/mm/memblock.c b/mm/memblock.c
index 16f006521afa..b5d3026979fc 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -29,6 +29,10 @@
# define INIT_MEMBLOCK_RESERVED_REGIONS INIT_MEMBLOCK_REGIONS
#endif
+#ifndef INIT_MEMBLOCK_MEMORY_REGIONS
+#define INIT_MEMBLOCK_MEMORY_REGIONS INIT_MEMBLOCK_REGIONS
+#endif
+
/**
* DOC: memblock overview
*
@@ -55,9 +59,9 @@
* the allocator metadata. The "memory" and "reserved" types are nicely
* wrapped with struct memblock. This structure is statically
* initialized at build time. The region arrays are initially sized to
- * %INIT_MEMBLOCK_REGIONS for "memory" and %INIT_MEMBLOCK_RESERVED_REGIONS
- * for "reserved". The region array for "physmem" is initially sized to
- * %INIT_PHYSMEM_REGIONS.
+ * %INIT_MEMBLOCK_MEMORY_REGIONS for "memory" and
+ * %INIT_MEMBLOCK_RESERVED_REGIONS for "reserved". The region array
+ * for "physmem" is initially sized to %INIT_PHYSMEM_REGIONS.
* The memblock_allow_resize() enables automatic resizing of the region
* arrays during addition of new regions. This feature should be used
* with care so that memory allocated for the region array will not
@@ -102,7 +106,7 @@ unsigned long min_low_pfn;
unsigned long max_pfn;
unsigned long long max_possible_pfn;
-static struct memblock_region memblock_memory_init_regions[INIT_MEMBLOCK_REGIONS] __initdata_memblock;
+static struct memblock_region memblock_memory_init_regions[INIT_MEMBLOCK_MEMORY_REGIONS] __initdata_memblock;
static struct memblock_region memblock_reserved_init_regions[INIT_MEMBLOCK_RESERVED_REGIONS] __initdata_memblock;
#ifdef CONFIG_HAVE_MEMBLOCK_PHYS_MAP
static struct memblock_region memblock_physmem_init_regions[INIT_PHYSMEM_REGIONS];
@@ -111,7 +115,7 @@ static struct memblock_region memblock_physmem_init_regions[INIT_PHYSMEM_REGIONS
struct memblock memblock __initdata_memblock = {
.memory.regions = memblock_memory_init_regions,
.memory.cnt = 1, /* empty dummy entry */
- .memory.max = INIT_MEMBLOCK_REGIONS,
+ .memory.max = INIT_MEMBLOCK_MEMORY_REGIONS,
.memory.name = "memory",
.reserved.regions = memblock_reserved_init_regions,
@@ -327,7 +331,7 @@ again:
NUMA_NO_NODE, flags);
if (!ret && (flags & MEMBLOCK_MIRROR)) {
- pr_warn("Could not allocate %pap bytes of mirrored memory\n",
+ pr_warn_ratelimited("Could not allocate %pap bytes of mirrored memory\n",
&size);
flags &= ~MEMBLOCK_MIRROR;
goto again;
@@ -935,6 +939,9 @@ int __init_memblock memblock_clear_hotplug(phys_addr_t base, phys_addr_t size)
*/
int __init_memblock memblock_mark_mirror(phys_addr_t base, phys_addr_t size)
{
+ if (!mirrored_kernelcore)
+ return 0;
+
system_has_some_mirror = true;
return memblock_setclr_flag(base, size, 1, MEMBLOCK_MIRROR);
@@ -1356,8 +1363,8 @@ __next_mem_pfn_range_in_zone(u64 *idx, struct zone *zone,
* from the regions with mirroring enabled and then retried from any
* memory region.
*
- * In addition, function sets the min_count to 0 using kmemleak_alloc_phys for
- * allocated boot memory block, so that it is never reported as leaks.
+ * In addition, function using kmemleak_alloc_phys for allocated boot
+ * memory block, it is never reported as leaks.
*
* Return:
* Physical address of allocated memory block on success, %0 on failure.
@@ -1395,7 +1402,7 @@ again:
if (flags & MEMBLOCK_MIRROR) {
flags &= ~MEMBLOCK_MIRROR;
- pr_warn("Could not allocate %pap bytes of mirrored memory\n",
+ pr_warn_ratelimited("Could not allocate %pap bytes of mirrored memory\n",
&size);
goto again;
}
@@ -1409,12 +1416,12 @@ done:
*/
if (end != MEMBLOCK_ALLOC_NOLEAKTRACE)
/*
- * The min_count is set to 0 so that memblock allocated
- * blocks are never reported as leaks. This is because many
- * of these blocks are only referred via the physical
- * address which is not looked up by kmemleak.
+ * Memblock allocated blocks are never reported as
+ * leaks. This is because many of these blocks are
+ * only referred via the physical address which is
+ * not looked up by kmemleak.
*/
- kmemleak_alloc_phys(found, size, 0, 0);
+ kmemleak_alloc_phys(found, size, 0);
return found;
}