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authorLinus Torvalds <torvalds@linux-foundation.org>2019-09-29 10:33:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-09-29 10:33:41 -0700
commita3c0e7b1fe1fc62bba5f591c4bc404eea96823b8 (patch)
tree494409b373e8d43e72c88d228e77f3d3aaf46a91 /arch/powerpc/mm/book3s64
parent939ca9f1751d1d65424f80b9284b6c18e78c7f4e (diff)
parent4c806b897d6075bfa5067e524fb058c57ab64e7b (diff)
Merge tag 'libnvdimm-fixes-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
More libnvdimm updates from Dan Williams: - Complete the reworks to interoperate with powerpc dynamic huge page sizes - Fix a crash due to missed accounting for the powerpc 'struct page'-memmap mapping granularity - Fix badblock initialization for volatile (DRAM emulated) pmem ranges - Stop triggering request_key() notifications to userspace when NVDIMM-security is disabled / not present - Miscellaneous small fixups * tag 'libnvdimm-fixes-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: libnvdimm/region: Enable MAP_SYNC for volatile regions libnvdimm: prevent nvdimm from requesting key when security is disabled libnvdimm/region: Initialize bad block for volatile namespaces libnvdimm/nfit_test: Fix acpi_handle redefinition libnvdimm/altmap: Track namespace boundaries in altmap libnvdimm: Fix endian conversion issues  libnvdimm/dax: Pick the right alignment default when creating dax devices powerpc/book3s64: Export has_transparent_hugepage() related functions.
Diffstat (limited to 'arch/powerpc/mm/book3s64')
-rw-r--r--arch/powerpc/mm/book3s64/hash_pgtable.c2
-rw-r--r--arch/powerpc/mm/book3s64/radix_pgtable.c7
2 files changed, 2 insertions, 7 deletions
diff --git a/arch/powerpc/mm/book3s64/hash_pgtable.c b/arch/powerpc/mm/book3s64/hash_pgtable.c
index d1f390ac9cdb..64733b9cb20a 100644
--- a/arch/powerpc/mm/book3s64/hash_pgtable.c
+++ b/arch/powerpc/mm/book3s64/hash_pgtable.c
@@ -406,6 +406,8 @@ int hash__has_transparent_hugepage(void)
return 1;
}
+EXPORT_SYMBOL_GPL(hash__has_transparent_hugepage);
+
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
#ifdef CONFIG_STRICT_KERNEL_RWX
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c
index 3a1fbf9cb8f8..6ee17d09649c 100644
--- a/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -1027,13 +1027,6 @@ pmd_t radix__pmdp_huge_get_and_clear(struct mm_struct *mm,
return old_pmd;
}
-int radix__has_transparent_hugepage(void)
-{
- /* For radix 2M at PMD level means thp */
- if (mmu_psize_defs[MMU_PAGE_2M].shift == PMD_SHIFT)
- return 1;
- return 0;
-}
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
void radix__ptep_set_access_flags(struct vm_area_struct *vma, pte_t *ptep,