The patch titled
Subject: mm-dax-pmem-introduce-pfn_t-v3
has been added to the -mm tree. Its filename is
mm-dax-pmem-introduce-pfn_t-v3.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-dax-pmem-introduce-pfn_t-v3.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-dax-pmem-introduce-pfn_t-v3.patch
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------------------------------------------------------
From: Dan Williams <dan.j.williams@xxxxxxxxx>
Subject: mm-dax-pmem-introduce-pfn_t-v3
Moved phys_to_pfn_t() out of line so it can be overridden for new unit
tests in development.
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mm.h | 5 +----
kernel/memremap.c | 6 ++++++
2 files changed, 7 insertions(+), 4 deletions(-)
diff -puN include/linux/mm.h~mm-dax-pmem-introduce-pfn_t-v3 include/linux/mm.h
--- a/include/linux/mm.h~mm-dax-pmem-introduce-pfn_t-v3
+++ a/include/linux/mm.h
@@ -922,10 +922,7 @@ static inline pfn_t pfn_to_pfn_t(unsigne
return __pfn_to_pfn_t(pfn, 0);
}
-static inline pfn_t phys_to_pfn_t(dma_addr_t addr, unsigned long flags)
-{
- return __pfn_to_pfn_t(addr >> PAGE_SHIFT, flags);
-}
+extern pfn_t phys_to_pfn_t(dma_addr_t addr, unsigned long flags);
static inline bool pfn_t_has_page(pfn_t pfn)
{
diff -puN kernel/memremap.c~mm-dax-pmem-introduce-pfn_t-v3 kernel/memremap.c
--- a/kernel/memremap.c~mm-dax-pmem-introduce-pfn_t-v3
+++ a/kernel/memremap.c
@@ -147,6 +147,12 @@ void devm_memunmap(struct device *dev, v
}
EXPORT_SYMBOL(devm_memunmap);
+pfn_t phys_to_pfn_t(dma_addr_t addr, unsigned long flags)
+{
+ return __pfn_to_pfn_t(addr >> PAGE_SHIFT, flags);
+}
+EXPORT_SYMBOL(phys_to_pfn_t);
+
#ifdef CONFIG_ZONE_DEVICE
struct page_map {
struct resource res;
_
Patches currently in -mm which might be from dan.j.williams@xxxxxxxxx are
scatterlist-fix-sg_phys-masking.patch
pmem-dax-clean-up-clear_pmem.patch
dax-increase-granularity-of-dax_clear_blocks-operations.patch
dax-guarantee-page-aligned-results-from-bdev_direct_access.patch
dax-fix-lifetime-of-in-kernel-dax-mappings-with-dax_map_atomic.patch
dax-fix-lifetime-of-in-kernel-dax-mappings-with-dax_map_atomic-v3.patch
um-kill-pfn_t.patch
kvm-rename-pfn_t-to-kvm_pfn_t.patch
mm-dax-pmem-introduce-pfn_t.patch
mm-dax-pmem-introduce-pfn_t-v3.patch
mm-introduce-find_dev_pagemap.patch
x86-mm-introduce-vmem_altmap-to-augment-vmemmap_populate.patch
libnvdimm-pfn-pmem-allocate-memmap-array-in-persistent-memory.patch
avr32-convert-to-asm-generic-memory_modelh.patch
hugetlb-fix-compile-error-on-tile.patch
frv-fix-compiler-warning-from-definition-of-__pmd.patch
x86-mm-introduce-_page_devmap.patch
mm-dax-gpu-convert-vm_insert_mixed-to-pfn_t.patch
mm-dax-convert-vmf_insert_pfn_pmd-to-pfn_t.patch
list-introduce-list_del_poison.patch
libnvdimm-pmem-move-request_queue-allocation-earlier-in-probe.patch
mm-dax-pmem-introduce-getput_dev_pagemap-for-dax-gup.patch
mm-dax-dax-pmd-vs-thp-pmd-vs-hugetlbfs-pmd.patch
mm-x86-get_user_pages-for-dax-mappings.patch
dax-provide-diagnostics-for-pmd-mapping-failures.patch
dax-re-enable-dax-pmd-mappings.patch
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