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sparc64: DAX request for non 4MB memory should return with unique errno
authorSanath Kumar <sanath.s.kumar@oracle.com>
Mon, 10 Apr 2017 21:52:32 +0000 (16:52 -0500)
committerChuck Anderson <chuck.anderson@oracle.com>
Mon, 24 Apr 2017 04:43:29 +0000 (21:43 -0700)
commitf9ed59900b00a092f72a85d7ff54c2f0e789810c
treeb1117f9768a7a5a94a193db469c969b11b151415tree
parentf1a8292de861a20e44b1872f51b5ed649573fd7ecommit | diff
sparc64: DAX request for non 4MB memory should return with unique errno

Orabug:25852910

With this change libdax can detect that mmap failed due to lack of flow
control in DAX HW and it can proceed with dax_subpage allocation.

Reviewed-by: Rob Gardner <rob.gardner@oracle.com>
Signed-off-by: Sanath Kumar <sanath.s.kumar@oracle.com>
Signed-off-by: Allen Pais <allen.pais@oracle.com>
arch/sparc/dax/dax_mm.c diff | blob | history
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