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-rw-r--r--include/linux/memblock.h1
-rw-r--r--mm/memblock.c15
2 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 6ec5e9ac0699..9eac4f268359 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -155,6 +155,7 @@ int memblock_mark_mirror(phys_addr_t base, phys_addr_t size);
int memblock_mark_nomap(phys_addr_t base, phys_addr_t size);
int memblock_clear_nomap(phys_addr_t base, phys_addr_t size);
int memblock_reserved_mark_noinit(phys_addr_t base, phys_addr_t size);
+int memblock_reserved_mark_kern(phys_addr_t base, phys_addr_t size);
int memblock_mark_kho_scratch(phys_addr_t base, phys_addr_t size);
int memblock_clear_kho_scratch(phys_addr_t base, phys_addr_t size);
diff --git a/mm/memblock.c b/mm/memblock.c
index b3ddfdec7a80..2505ce8b319c 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1116,6 +1116,21 @@ int __init_memblock memblock_reserved_mark_noinit(phys_addr_t base, phys_addr_t
}
/**
+ * memblock_reserved_mark_kern - Mark a reserved memory region with flag
+ * MEMBLOCK_RSRV_KERN
+ *
+ * @base: the base phys addr of the region
+ * @size: the size of the region
+ *
+ * Return: 0 on success, -errno on failure.
+ */
+int __init_memblock memblock_reserved_mark_kern(phys_addr_t base, phys_addr_t size)
+{
+ return memblock_setclr_flag(&memblock.reserved, base, size, 1,
+ MEMBLOCK_RSRV_KERN);
+}
+
+/**
* memblock_mark_kho_scratch - Mark a memory region as MEMBLOCK_KHO_SCRATCH.
* @base: the base phys addr of the region
* @size: the size of the region