Masamichi Takagi b55e164669 page_fault_process_memory_range: Disable COW for VM region with zeroobj ...

This fixes ostest-mem_limits.001 which tries to anonymous-mmap 95% of
total memory. It reports a failure because:
(1) McKernel tries to allocate physically contiguous area and
    fails
(2) It turns on demand-paging
(3) It tries to obtain a page from zeroobj and fails
(4) It allocates a new page
(5) It performs COW on the page, which is unnecessary

Change-Id: Iddf0548bb9216f9bf91fb03fa21f890e599bfdad

2019-07-04 13:58:22 +09:00

103 KiB

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