linux-kernel - [PATCH 3/3] mm: drop hugetlb_free_pgd

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Message-ID: <20250716012611.10369-4-anthony.yznaga@oracle.com>
Date: Tue, 15 Jul 2025 18:26:11 -0700
From: Anthony Yznaga <anthony.yznaga@...cle.com>
To: davem@...emloft.net, andreas@...sler.com, arnd@...db.de,
        muchun.song@...ux.dev, osalvador@...e.de, akpm@...ux-foundation.org,
        david@...hat.com, lorenzo.stoakes@...cle.com, Liam.Howlett@...cle.com,
        vbabka@...e.cz, rppt@...nel.org, surenb@...gle.com, mhocko@...e.com
Cc: linux-mm@...ck.org, sparclinux@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org, alexghiti@...osinc.com,
        agordeev@...ux.ibm.com, anshuman.khandual@....com,
        christophe.leroy@...roup.eu, ryan.roberts@....com, will@...nel.org
Subject: [PATCH 3/3] mm: drop hugetlb_free_pgd_range()

There are no longer any callers of hugetlb_free_pgd_range().

Signed-off-by: Anthony Yznaga <anthony.yznaga@...cle.com>
---
 include/asm-generic/hugetlb.h | 9 ---------
 include/linux/hugetlb.h       | 7 -------
 2 files changed, 16 deletions(-)

diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index 3e0a8fe9b108..2558daea1a32 100644
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -66,15 +66,6 @@ static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
 }
 #endif
 
-#ifndef __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE
-static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
-		unsigned long addr, unsigned long end,
-		unsigned long floor, unsigned long ceiling)
-{
-	free_pgd_range(tlb, addr, end, floor, ceiling);
-}
-#endif
-
 #ifndef __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
 static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
 		pte_t *ptep, pte_t pte, unsigned long sz)
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 42f374e828a2..adf59868e5ba 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -396,13 +396,6 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
 	return 0;
 }
 
-static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb,
-				unsigned long addr, unsigned long end,
-				unsigned long floor, unsigned long ceiling)
-{
-	BUG();
-}
-
 #ifdef CONFIG_USERFAULTFD
 static inline int hugetlb_mfill_atomic_pte(pte_t *dst_pte,
 					   struct vm_area_struct *dst_vma,
-- 
2.47.1