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-rw-r--r--arch/arm64/mm/hugetlbpage.c38
1 files changed, 18 insertions, 20 deletions
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index 228226c5fa80..cbace1c9e137 100644
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -56,25 +56,34 @@ void __init arm64_hugetlb_cma_reserve(void)
}
#endif /* CONFIG_CMA */
-#ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION
-bool arch_hugetlb_migration_supported(struct hstate *h)
+static bool __hugetlb_valid_size(unsigned long size)
{
- size_t pagesize = huge_page_size(h);
-
- switch (pagesize) {
+ switch (size) {
#ifndef __PAGETABLE_PMD_FOLDED
case PUD_SIZE:
return pud_sect_supported();
#endif
- case PMD_SIZE:
case CONT_PMD_SIZE:
+ case PMD_SIZE:
case CONT_PTE_SIZE:
return true;
}
- pr_warn("%s: unrecognized huge page size 0x%lx\n",
- __func__, pagesize);
+
return false;
}
+
+#ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION
+bool arch_hugetlb_migration_supported(struct hstate *h)
+{
+ size_t pagesize = huge_page_size(h);
+
+ if (!__hugetlb_valid_size(pagesize)) {
+ pr_warn("%s: unrecognized huge page size 0x%lx\n",
+ __func__, pagesize);
+ return false;
+ }
+ return true;
+}
#endif
int pmd_huge(pmd_t pmd)
@@ -507,16 +516,5 @@ arch_initcall(hugetlbpage_init);
bool __init arch_hugetlb_valid_size(unsigned long size)
{
- switch (size) {
-#ifndef __PAGETABLE_PMD_FOLDED
- case PUD_SIZE:
- return pud_sect_supported();
-#endif
- case CONT_PMD_SIZE:
- case PMD_SIZE:
- case CONT_PTE_SIZE:
- return true;
- }
-
- return false;
+ return __hugetlb_valid_size(size);
}