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authorAndreas Hansson <andreas.hansson@arm.com>2014-02-18 05:51:01 -0500
committerAndreas Hansson <andreas.hansson@arm.com>2014-02-18 05:51:01 -0500
commit4b81585c495662ca113e436ef7f238fddf7692f4 (patch)
tree3002f04c4d29af0e94d50f7f431182fd01553109 /configs/common
parentf0ea79c41f6c6b00b976b6fe67ac350a1852022a (diff)
downloadgem5-4b81585c495662ca113e436ef7f238fddf7692f4.tar.xz
mem: Fix bug in PhysicalMemory use of mmap and munmap
This patch fixes a bug in how physical memory used to be mapped and unmapped. Previously we unmapped and re-mapped if restoring from a checkpoint. However, we never checked that the new mapping was actually the same, it was just magically working as the OS seems to fairly reliably give us the same chunk back. This patch fixes this issue by relying entirely on the mmap call in the constructor.
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