https://bugs.llvm.org/show_bug.cgi?id=38588
Bug ID: 38588
Summary: XRay memory allocation may cause segfaults
Product: XRay
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Runtime
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
In the mmap-backed memory that XRay reserves in both fdr and profiling modes,
we used a MAP_NORESERVE flag which forced pages to be always memory-backed and
never swapped out. Originally we thought this would have been fine, but we're
seeing the opposite feedback from users.
This bug tracks the change to remove the MAP_NORESERVE flag from the XRay
allocation calls.
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