Dean Michael Berris 560c733815 [XRay][compiler-rt] Remove MAP_NORESERVE from XRay allocations ...

Summary:
This reverses an earlier decision to allow seg-faulting from the
XRay-allocated memory if it turns out that the system cannot provide
physical memory backing that cannot be swapped in/out on Linux.

This addresses http://llvm.org/PR38588.

Reviewers: eizan

Reviewed By: eizan

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D50831

llvm-svn: 339869

2018-08-16 12:19:03 +00:00

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