linux-kernel - [PATCH 1/2] powerpc/nohash: Remove pgd

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Date:   Wed,  7 Sep 2022 11:34:44 +0200
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     "linux-mm @ kvack . org" <linux-mm@...ck.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>
Cc:     Christophe Leroy <christophe.leroy@...roup.eu>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH 1/2] powerpc/nohash: Remove pgd_huge() stub

linux/hugetlb.h has a fallback pgd_huge() macro for when
pgd_huge is not defined.

Remove the powerpc redundant definitions.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/include/asm/nohash/pgtable.h | 6 ------
 arch/powerpc/include/asm/page.h           | 1 -
 2 files changed, 7 deletions(-)

diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h
index b499da6c1a99..08429c612cdf 100644
--- a/arch/powerpc/include/asm/nohash/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/pgtable.h
@@ -277,12 +277,6 @@ static inline int pud_huge(pud_t pud)
 	return 0;
 }
 
-static inline int pgd_huge(pgd_t pgd)
-{
-	return 0;
-}
-#define pgd_huge		pgd_huge
-
 #define is_hugepd(hpd)		(hugepd_ok(hpd))
 #endif
 
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index e5f75c70eda8..c67eb9531a3f 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -311,7 +311,6 @@ static inline bool pfn_valid(unsigned long pfn)
 
 #ifndef CONFIG_HUGETLB_PAGE
 #define is_hugepd(pdep)		(0)
-#define pgd_huge(pgd)		(0)
 #endif /* CONFIG_HUGETLB_PAGE */
 
 struct page;
-- 
2.37.1