Messages in this thread | | | Date | Tue, 10 Dec 2013 21:16:50 +0100 | From | Oleg Nesterov <> | Subject | Re: [PATCH 0/1] uprobes: Kill __replace_page(), change uprobe_write_opcode() to rely on gup(WRITE) |
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On 12/10, Oleg Nesterov wrote: > > On 12/10, Linus Torvalds wrote: > > > > We'd be *much* better off using get_user_pages_fast() if possible - > > and I bet _is_ possible in 99% of all cases. > > We can't. get_user_pages_fast() takes mmap_sem.
Hmm. I am stupid, there is __get_user_pages_fast(). OK, I'll try to think more.
Oleg.
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