1) uml kernel bootmem managed through bootmem_data->node_bootmem_map,
not struct page array, so it is unnecessary.
2) the struct page array allocate has been pointer by a *loacl* pointer
struct page *map in init_maps function. The array can't be access after
the init_maps exit. As a result, there is about 1% of total memory leak.
---
arch/um/kernel/um_arch.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 016adf0..d4c98d1 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -348,12 +348,6 @@ int __init linux_main(int argc, char **argv)
start_vm = VMALLOC_START;
setup_physmem(uml_physmem, uml_reserved, physmem_size, highmem);
- if (init_maps(physmem_size, iomem_size, highmem)) {
- printf("Failed to allocate mem_map for %Lu bytes of physical "
- "memory and %Lu bytes of highmem\n", physmem_size,
- highmem);
- exit(1);
- }
virtmem_size = physmem_size;
stack = (unsigned long) argv;
--
1.8.3.1
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