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Diffstat (limited to 'arch/loongarch/kernel/mem.c')
-rw-r--r--arch/loongarch/kernel/mem.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/loongarch/kernel/mem.c b/arch/loongarch/kernel/mem.c
index 4a4107a6a965..8ab1ffedc52c 100644
--- a/arch/loongarch/kernel/mem.c
+++ b/arch/loongarch/kernel/mem.c
@@ -13,7 +13,7 @@
void __init memblock_init(void)
{
u32 mem_type;
- u64 mem_start, mem_end, mem_size;
+ u64 mem_start, mem_size;
efi_memory_desc_t *md;
/* Parse memory information */
@@ -21,7 +21,6 @@ void __init memblock_init(void)
mem_type = md->type;
mem_start = md->phys_addr;
mem_size = md->num_pages << EFI_PAGE_SHIFT;
- mem_end = mem_start + mem_size;
switch (mem_type) {
case EFI_LOADER_CODE:
@@ -31,8 +30,6 @@ void __init memblock_init(void)
case EFI_PERSISTENT_MEMORY:
case EFI_CONVENTIONAL_MEMORY:
memblock_add(mem_start, mem_size);
- if (max_low_pfn < (mem_end >> PAGE_SHIFT))
- max_low_pfn = mem_end >> PAGE_SHIFT;
break;
case EFI_PAL_CODE:
case EFI_UNUSABLE_MEMORY:
@@ -49,8 +46,9 @@ void __init memblock_init(void)
}
}
+ max_pfn = PFN_DOWN(memblock_end_of_DRAM());
+ max_low_pfn = min(PFN_DOWN(HIGHMEM_START), max_pfn);
memblock_set_current_limit(PFN_PHYS(max_low_pfn));
- memblock_set_node(0, PHYS_ADDR_MAX, &memblock.memory, 0);
/* Reserve the first 2MB */
memblock_reserve(PHYS_OFFSET, 0x200000);
@@ -58,4 +56,7 @@ void __init memblock_init(void)
/* Reserve the kernel text/data/bss */
memblock_reserve(__pa_symbol(&_text),
__pa_symbol(&_end) - __pa_symbol(&_text));
+
+ memblock_set_node(0, PHYS_ADDR_MAX, &memblock.memory, 0);
+ memblock_set_node(0, PHYS_ADDR_MAX, &memblock.reserved, 0);
}