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authorStefan Kempf <stefan@cvs.openbsd.org>2016-03-15 18:16:48 +0000
committerStefan Kempf <stefan@cvs.openbsd.org>2016-03-15 18:16:48 +0000
commit87643eeeff65080d86c76296ab8456bd9d3e4000 (patch)
treed594c81a27774ec8c3f8fe595996915e831005bd /usr.bin
parent9f9d51ea2a98a36cf8dfcb82cc9d999759984b31 (diff)
Allocate amap slots for a virtual memory range reserved with sbrk lazily.
This avoids wasting kernel memory if the user process does not make use of the allocated memory. Testing by sthen@ and tobiasu@, thanks! ok deraadt@
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