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Diffstat (limited to 'arch/arm/mm/init.c')
-rw-r--r--arch/arm/mm/init.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 877c492f8e1..52c40d15567 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -273,7 +273,6 @@ static void __init bootmem_init_node(int node, struct meminfo *mi,
struct membank *bank = &mi->bank[i];
if (!bank->highmem)
free_bootmem_node(pgdat, bank_phys_start(bank), bank_phys_size(bank));
- memory_present(node, bank_pfn_start(bank), bank_pfn_end(bank));
}
/*
@@ -370,6 +369,19 @@ int pfn_valid(unsigned long pfn)
return 0;
}
EXPORT_SYMBOL(pfn_valid);
+
+static void arm_memory_present(struct meminfo *mi, int node)
+{
+}
+#else
+static void arm_memory_present(struct meminfo *mi, int node)
+{
+ int i;
+ for_each_nodebank(i, mi, node) {
+ struct membank *bank = &mi->bank[i];
+ memory_present(node, bank_pfn_start(bank), bank_pfn_end(bank));
+ }
+}
#endif
static int __init meminfo_cmp(const void *_a, const void *_b)
@@ -427,6 +439,12 @@ void __init bootmem_init(void)
*/
if (node == initrd_node)
bootmem_reserve_initrd(node);
+
+ /*
+ * Sparsemem tries to allocate bootmem in memory_present(),
+ * so must be done after the fixed reservations
+ */
+ arm_memory_present(mi, node);
}
/*
@@ -483,7 +501,7 @@ free_memmap(int node, unsigned long start_pfn, unsigned long end_pfn)
/*
* Convert start_pfn/end_pfn to a struct page pointer.
*/
- start_pg = pfn_to_page(start_pfn);
+ start_pg = pfn_to_page(start_pfn - 1) + 1;
end_pg = pfn_to_page(end_pfn);
/*