mm/treewide: remove pXd_huge()

This API is not used anymore, drop it for the whole tree.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Peter Xu <[email protected]>
Cc: Alistair Popple <[email protected]>
Cc: Andreas Larsson <[email protected]>
Cc: "Aneesh Kumar K.V" <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Bjorn Andersson <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Christophe Leroy <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jason Gunthorpe <[email protected]>
Cc: Konrad Dybcio <[email protected]>
Cc: Krzysztof Kozlowski <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Mark Salter <[email protected]>
Cc: "Matthew Wilcox (Oracle)" <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Mike Rapoport (IBM) <[email protected]>
Cc: Muchun Song <[email protected]>
Cc: Naoya Horiguchi <[email protected]>
Cc: "Naveen N. Rao" <[email protected]>
Cc: Nicholas Piggin <[email protected]>
Cc: Russell King <[email protected]>
Cc: Shawn Guo <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Will Deacon <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: xzpeter

arch/arm/mm/Makefile

@@ -21,7 +21,6 @@ KASAN_SANITIZE_physaddr.o	:= n
 obj-$(CONFIG_DEBUG_VIRTUAL)	+= physaddr.o
 
 obj-$(CONFIG_ALIGNMENT_TRAP)	+= alignment.o
-obj-$(CONFIG_HUGETLB_PAGE)	+= hugetlbpage.o
 obj-$(CONFIG_ARM_PV_FIXUP)	+= pv-fixup-asm.o
 
 obj-$(CONFIG_CPU_ABRT_NOMMU)	+= abort-nommu.o

arch/arm/mm/hugetlbpage.c

@@ -79,16 +79,6 @@ bool arch_hugetlb_migration_supported(struct hstate *h)
 }
 #endif
 
-int pmd_huge(pmd_t pmd)
-{
-	return pmd_leaf(pmd);
-}
-
-int pud_huge(pud_t pud)
-{
-	return pud_leaf(pud);
-}
-
 static int find_num_contig(struct mm_struct *mm, unsigned long addr,
 			   pte_t *ptep, size_t *pgsize)
 {

arch/arm64/mm/hugetlbpage.c

@@ -50,16 +50,6 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr,
 	return (pte_t *) pmd;
 }
 
-int pmd_huge(pmd_t pmd)
-{
-	return (pmd_val(pmd) & _PAGE_HUGE) != 0;
-}
-
-int pud_huge(pud_t pud)
-{
-	return (pud_val(pud) & _PAGE_HUGE) != 0;
-}
-
 uint64_t pmd_to_entrylo(unsigned long pmd_val)
 {
 	uint64_t val;

arch/loongarch/mm/hugetlbpage.c

@@ -129,7 +129,7 @@ static inline int pmd_none(pmd_t pmd)
 static inline int pmd_bad(pmd_t pmd)
 {
 #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
-	/* pmd_huge(pmd) but inline */
+	/* pmd_leaf(pmd) but inline */
 	if (unlikely(pmd_val(pmd) & _PAGE_HUGE))
 		return 0;
 #endif

arch/mips/include/asm/pgtable-32.h

@@ -245,7 +245,7 @@ static inline int pmd_none(pmd_t pmd)
 static inline int pmd_bad(pmd_t pmd)
 {
 #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
-	/* pmd_huge(pmd) but inline */
+	/* pmd_leaf(pmd) but inline */
 	if (unlikely(pmd_val(pmd) & _PAGE_HUGE))
 		return 0;
 #endif

arch/mips/include/asm/pgtable-64.h

@@ -57,13 +57,3 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr,
 	}
 	return (pte_t *) pmd;
 }
-
-int pmd_huge(pmd_t pmd)
-{
-	return (pmd_val(pmd) & _PAGE_HUGE) != 0;
-}
-
-int pud_huge(pud_t pud)
-{
-	return (pud_val(pud) & _PAGE_HUGE) != 0;
-}

arch/mips/mm/hugetlbpage.c

@@ -180,14 +180,3 @@ int huge_ptep_set_access_flags(struct vm_area_struct *vma,
 	}
 	return changed;
 }
-
-
-int pmd_huge(pmd_t pmd)
-{
-	return 0;
-}
-
-int pud_huge(pud_t pud)
-{
-	return 0;
-}

arch/parisc/mm/hugetlbpage.c

@@ -6,16 +6,6 @@
  */
 #ifndef __ASSEMBLY__
 #ifdef CONFIG_HUGETLB_PAGE
-static inline int pmd_huge(pmd_t pmd)
-{
-	return pmd_leaf(pmd);
-}
-
-static inline int pud_huge(pud_t pud)
-{
-	return pud_leaf(pud);
-}
-
 /*
  * With radix , we have hugepage ptes in the pud and pmd entries. We don't
  * need to setup hugepage directory for them. Our pte and page directory format

arch/powerpc/include/asm/book3s/64/pgtable-4k.h

@@ -4,31 +4,6 @@
 
 #ifndef __ASSEMBLY__
 #ifdef CONFIG_HUGETLB_PAGE
-/*
- * We have PGD_INDEX_SIZ = 12 and PTE_INDEX_SIZE = 8, so that we can have
- * 16GB hugepage pte in PGD and 16MB hugepage pte at PMD;
- *
- * Defined in such a way that we can optimize away code block at build time
- * if CONFIG_HUGETLB_PAGE=n.
- *
- * returns true for pmd migration entries, THP, devmap, hugetlb
- * But compile time dependent on CONFIG_HUGETLB_PAGE
- */
-static inline int pmd_huge(pmd_t pmd)
-{
-	/*
-	 * leaf pte for huge page
-	 */
-	return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE));
-}
-
-static inline int pud_huge(pud_t pud)
-{
-	/*
-	 * leaf pte for huge page
-	 */
-	return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE));
-}
 
 /*
  * With 64k page size, we have hugepage ptes in the pgd and pmd entries. We don't