Re: [Linux-nvdimm] [PATCH v2 08/10] x86: support kmap_atomic_pfn_t() for persistent memory

2015-05-06 Thread Dan Williams
On Wed, May 6, 2015 at 1:05 PM, Dan Williams wrote: > It would be unfortunate if the kmap infrastructure escaped its current > 32-bit/HIGHMEM bonds and leaked into 64-bit code. Instead, if the user > has enabled CONFIG_PMEM_IO we direct the kmap_atomic_pfn_t() > implementation to scan a list of

Re: [Linux-nvdimm] [PATCH v2 08/10] x86: support kmap_atomic_pfn_t() for persistent memory

2015-05-06 Thread Dan Williams
On Wed, May 6, 2015 at 1:05 PM, Dan Williams dan.j.willi...@intel.com wrote: It would be unfortunate if the kmap infrastructure escaped its current 32-bit/HIGHMEM bonds and leaked into 64-bit code. Instead, if the user has enabled CONFIG_PMEM_IO we direct the kmap_atomic_pfn_t()