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Diffstat (limited to 'arch/loongarch/kernel/mem.c')
-rw-r--r--arch/loongarch/kernel/mem.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/loongarch/kernel/mem.c b/arch/loongarch/kernel/mem.c
index aed901c57fb4..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:
@@ -49,6 +46,8 @@ 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));
/* Reserve the first 2MB */