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Diffstat (limited to 'arch/um/kernel/um_arch.c')
-rw-r--r--arch/um/kernel/um_arch.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 8e594cda6d77..8f86aa468b50 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -366,18 +366,15 @@ int __init linux_main(int argc, char **argv)
setup_machinename(init_utsname()->machine);
- highmem = 0;
+ physmem_size = (physmem_size + PAGE_SIZE - 1) & PAGE_MASK;
iomem_size = (iomem_size + PAGE_SIZE - 1) & PAGE_MASK;
+
max_physmem = TASK_SIZE - uml_physmem - iomem_size - MIN_VMALLOC;
- /*
- * Zones have to begin on a 1 << MAX_PAGE_ORDER page boundary,
- * so this makes sure that's true for highmem
- */
- max_physmem &= ~((1 << (PAGE_SHIFT + MAX_PAGE_ORDER)) - 1);
if (physmem_size + iomem_size > max_physmem) {
- highmem = physmem_size + iomem_size - max_physmem;
- physmem_size -= highmem;
+ physmem_size = max_physmem - iomem_size;
+ os_info("Physical memory size shrunk to %llu bytes\n",
+ physmem_size);
}
high_physmem = uml_physmem + physmem_size;
@@ -413,8 +410,8 @@ void __init setup_arch(char **cmdline_p)
u8 rng_seed[32];
stack_protections((unsigned long) &init_thread_info);
- setup_physmem(uml_physmem, uml_reserved, physmem_size, highmem);
- mem_total_pages(physmem_size, iomem_size, highmem);
+ setup_physmem(uml_physmem, uml_reserved, physmem_size);
+ mem_total_pages(physmem_size, iomem_size);
uml_dtb_init();
read_initrd();