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<title>kernel.git/tools/testing/nvdimm/dax_pmem_test.c, branch master</title>
<subtitle>Hosts the 0x221E linux distro kernel.
</subtitle>
<id>https://git.0xinfinity.dev/distro/kernel.git/atom?h=master</id>
<link rel='self' href='https://git.0xinfinity.dev/distro/kernel.git/atom?h=master'/>
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<updated>2019-04-22T22:56:28Z</updated>
<entry>
<title>tools/testing/nvdimm: add watermarks for dax_pmem* modules</title>
<updated>2019-04-22T22:56:28Z</updated>
<author>
<name>Vishal Verma</name>
</author>
<published>2019-03-19T01:06:29Z</published>
<link rel='alternate' type='text/html' href='https://git.0xinfinity.dev/distro/kernel.git/commit/?id=92f6f2d7f5c844faebf5b47d4a8f15de519b48c2'/>
<id>urn:sha1:92f6f2d7f5c844faebf5b47d4a8f15de519b48c2</id>
<content type='text'>
Add nfit_test 'watermarks' for the dax_pmem, dax_pmem_core, and
dax_pmem_compat modules. This causes the nfit_test module to fail
loading in case any of these modules are also not overridden with the
ldconfig wrapped modules. Without this, nfit_test would sometimes fail
creation of device-dax namespaces on the nfit_test_bus with an unhelpful
error log such as:

    dax_pmem dax5.0: could not reserve metadata
    dax_pmem: probe of dax5.0 failed with error -16

Which was caused due to the unwrapped version of
devm_request_mem_region() being called.

Cc: Dan Williams &lt;dan.j.williams@intel.com&gt;
Signed-off-by: Vishal Verma &lt;vishal.l.verma@intel.com&gt;
Signed-off-by: Dan Williams &lt;dan.j.williams@intel.com&gt;
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