Hi Andrea,
On 5 March 2015 at 18:17, Andrea Arcangeli aarca...@redhat.com wrote:
Once an userfaultfd has been created and certain region of the process
virtual address space have been registered into it, the thread
responsible for doing the memory externalization can manage the page
faults in
+int handle_userfault(struct vm_area_struct *vma, unsigned long address,
+ unsigned int flags, unsigned long reason)
+{
+ struct mm_struct *mm = vma-vm_mm;
+ struct userfaultfd_ctx *ctx;
+ struct userfaultfd_wait_queue uwq;
+
+
Once an userfaultfd has been created and certain region of the process
virtual address space have been registered into it, the thread
responsible for doing the memory externalization can manage the page
faults in userland by talking to the kernel using the userfaultfd
protocol.
poll() can be used
