On Mon, Jan 21, 2019 at 03:56:59PM +0800, Peter Xu wrote:
> There's plenty of places around __get_user_pages() that has a parameter
> "nonblocking" which does not really mean that "it won't block" (because
> it can really block) but instead it shows whether the mmap_sem is
> released by up_read()
There's plenty of places around __get_user_pages() that has a parameter
"nonblocking" which does not really mean that "it won't block" (because
it can really block) but instead it shows whether the mmap_sem is
released by up_read() during the page fault handling mostly when
VM_FAULT_RETRY is
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