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Diffstat (limited to 'mm/memblock.c')
-rw-r--r--mm/memblock.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/mm/memblock.c b/mm/memblock.c
index 0ab5a749bfa6..5c3503c98b2f 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -472,7 +472,7 @@ static int __init_memblock memblock_double_array(struct memblock_type *type,
kfree(old_array);
else if (old_array != memblock_memory_init_regions &&
old_array != memblock_reserved_init_regions)
- memblock_free(__pa(old_array), old_alloc_size);
+ memblock_free_ptr(old_array, old_alloc_size);
/*
* Reserve the new array if that comes from the memblock. Otherwise, we
@@ -796,6 +796,20 @@ int __init_memblock memblock_remove(phys_addr_t base, phys_addr_t size)
}
/**
+ * memblock_free_ptr - free boot memory allocation
+ * @ptr: starting address of the boot memory allocation
+ * @size: size of the boot memory block in bytes
+ *
+ * Free boot memory block previously allocated by memblock_alloc_xx() API.
+ * The freeing memory will not be released to the buddy allocator.
+ */
+void __init_memblock memblock_free_ptr(void *ptr, size_t size)
+{
+ if (ptr)
+ memblock_free(__pa(ptr), size);
+}
+
+/**
* memblock_free - free boot memory block
* @base: phys starting address of the boot memory block
* @size: size of the boot memory block in bytes
@@ -922,7 +936,12 @@ int __init_memblock memblock_mark_mirror(phys_addr_t base, phys_addr_t size)
*/
int __init_memblock memblock_mark_nomap(phys_addr_t base, phys_addr_t size)
{
- return memblock_setclr_flag(base, size, 1, MEMBLOCK_NOMAP);
+ int ret = memblock_setclr_flag(base, size, 1, MEMBLOCK_NOMAP);
+
+ if (!ret)
+ kmemleak_free_part_phys(base, size);
+
+ return ret;
}
/**