Messages in this thread | | | Date | Tue, 7 Nov 2017 14:16:58 +0300 | From | "Kirill A. Shutemov" <> | Subject | Re: POWER: Unexpected fault when writing to brk-allocated memory |
| |
On Tue, Nov 07, 2017 at 09:15:21AM +0100, Florian Weimer wrote: > MAP_FIXED is near-impossible to use correctly. I hope you don't expect > applications to do that. If you want address-based opt in, it should work > without MAP_FIXED. Sure, in obscure cases, applications might still see > out-of-range addresses, but I expected a full opt-out based on RLIMIT_AS > would be sufficient for them.
Just use mmap(-1), without MAP_FIXED to get full address space.
-- Kirill A. Shutemov
| |