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add_process_memory_range: do not initialize page when did not present phys page

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Tomoki Shirasawa
2017-07-18 00:45:18 +09:00
parent 7d181fccd9
commit 2d7890731e
1 changed files with 1 additions and 1 deletions
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kernel/process.c
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@ -1158,7 +1158,7 @@ int add_process_memory_range(struct process_vm *vm,
insert_vm_range_list(vm, range); insert_vm_range_list(vm, range);
/* Clear content! */ /* Clear content! */
if (!(flag & (VR_REMOTE | VR_DEMAND_PAGING)) if (phys != NOPHYS && !(flag & (VR_REMOTE | VR_DEMAND_PAGING))
&& ((flag & VR_PROT_MASK) != VR_PROT_NONE)) { && ((flag & VR_PROT_MASK) != VR_PROT_NONE)) {
#if 1 #if 1
memset((void*)phys_to_virt(phys), 0, end - start); memset((void*)phys_to_virt(phys), 0, end - start);