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use PF_POPULATE for resolving delegated page faults

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Since a host side PTE does not follow McKernel's copying a COW page,
COW pages cannot be used for resolving delegated page faults.
Therefore, to copy pages eagerly, PF_POPULATE should be used.
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NAKAMURA Gou
2014-07-02 19:58:13 +09:00
parent b2ca24d013
commit a8a226a443
1 changed files with 1 additions and 1 deletions
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2
kernel/syscall.c
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@@ -209,7 +209,7 @@ long do_syscall(struct syscall_request *req, ihk_mc_user_context_t *ctx,
cpu_local_var(current)->pid); cpu_local_var(current)->pid);
error = page_fault_process(get_cpu_local_var(cpu)->current, error = page_fault_process(get_cpu_local_var(cpu)->current,
(void *)res->fault_address, (void *)res->fault_address,
res->fault_reason); res->fault_reason|PF_POPULATE);
/* send result */ /* send result */
req2.number = __NR_mmap; req2.number = __NR_mmap;