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-rw-r--r--mm/memory_hotplug.c2
-rw-r--r--mm/sparse.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 66267c26ca1b..951878ab627a 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1681,7 +1681,7 @@ struct range __weak arch_get_mappable_range(void)
struct range mhp_get_pluggable_range(bool need_mapping)
{
- const u64 max_phys = (1ULL << MAX_PHYSMEM_BITS) - 1;
+ const u64 max_phys = PHYSMEM_END;
struct range mhp_range;
if (need_mapping) {
diff --git a/mm/sparse.c b/mm/sparse.c
index 0f018c6f9ec5..dc38539f8560 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -129,7 +129,7 @@ static inline int sparse_early_nid(struct mem_section *section)
static void __meminit mminit_validate_memmodel_limits(unsigned long *start_pfn,
unsigned long *end_pfn)
{
- unsigned long max_sparsemem_pfn = 1UL << (MAX_PHYSMEM_BITS-PAGE_SHIFT);
+ unsigned long max_sparsemem_pfn = (PHYSMEM_END + 1) >> PAGE_SHIFT;
/*
* Sanity checks - do not allow an architecture to pass