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do_munmap(): hook to HFI1 deferred unmap

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Balazs Gerofi
2017-12-05 17:14:08 +09:00
parent b08da83a51
commit 9c91298ccf
1 changed files with 13 additions and 0 deletions
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13
kernel/syscall.c
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@@ -1290,6 +1290,19 @@ int do_munmap(void *addr, size_t len)
int error; int error;
int ro_freed; int ro_freed;
/*
* TODO: do call back registration for address space changes..
*/
{
extern int hfi1_user_exp_rcv_overlapping(
unsigned long start, unsigned long end);
unsigned long start = (unsigned long)addr;
if (hfi1_user_exp_rcv_overlapping(start, start + len)) {
return 0;
}
}
begin_free_pages_pending(); begin_free_pages_pending();
error = remove_process_memory_range(cpu_local_var(current)->vm, error = remove_process_memory_range(cpu_local_var(current)->vm,
(intptr_t)addr, (intptr_t)addr+len, &ro_freed); (intptr_t)addr, (intptr_t)addr+len, &ro_freed);