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(Updated Feb. 9, 2015, 2:23 p.m.) Review request for Default. Repository: gem5 Description (updated) ------- Changeset 10693:40aaf1161841 --------------------------- mem: mmap the backing store with MAP_NORESERVE This patch ensures we can run simulations with very large simulated memories (at least 64 TB based on some quick runs on a Linux workstation). In essence this allows us to efficiently deal with sparse address maps without having to implement a redirection layer in the backing store. This opens up for run-time errors if we eventually exhausts the hosts memory and swap space, but this should hopefully never happen. Diffs (updated) ----- src/mem/physical.hh 94901e131a7f src/mem/physical.cc 94901e131a7f src/sim/System.py 94901e131a7f src/sim/system.cc 94901e131a7f Diff: http://reviews.gem5.org/r/2624/diff/ Testing ------- Thanks, Andreas Hansson _______________________________________________ gem5-dev mailing list [email protected] http://m5sim.org/mailman/listinfo/gem5-dev
