If sparsemem is activated all sections with present pages must
be accordingly marked after memblock is fully initialized.
Signed-off-by: Serge Semin <fancer.lancer@xxxxxxxxx>
---
arch/mips/kernel/setup.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index b121fa702..6df1eaf38 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -778,7 +778,7 @@ static void __init request_crashkernel(struct resource *res)
static void __init arch_mem_init(char **cmdline_p)
{
- struct memblock_region *reg;
+ struct memblock_region *reg __maybe_unused;
extern void plat_mem_setup(void);
/* call board setup routine */
@@ -860,6 +860,11 @@ static void __init arch_mem_init(char **cmdline_p)
crashk_res.end - crashk_res.start + 1);
#endif
device_tree_init();
+#ifdef CONFIG_SPARSEMEM
+ for_each_memblock(memory, reg)
+ memory_present(0, memblock_region_memory_base_pfn(reg),
+ memblock_region_memory_end_pfn(reg));
+#endif /* CONFIG_SPARSEMEM */
sparse_init();
plat_swiotlb_setup();
--
2.12.0
