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From: Mike Rapoport <rppt@kernel.org>
To: linux-kernel@vger.kernel.org
Cc: linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>,
	Max Filippov <jcmvbkbc@gmail.com>,
	Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>,
	linux-csky@vger.kernel.org, sparclinux@vger.kernel.org,
	linux-riscv@lists.infradead.org, linux-arch@vger.kernel.org,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	linux-hexagon@vger.kernel.org, Joerg Roedel <joro@8bytes.org>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Mike Rapoport <rppt@linux.ibm.com>,
	Abdul Haleem <abdhalee@linux.vnet.ibm.com>,
	linux-snps-arc@lists.infradead.org,
	linux-xtensa@linux-xtensa.org, Arnd Bergmann <arnd@arndb.de>,
	linux-s390@vger.kernel.org, linux-um@lists.infradead.org,
	Steven Rostedt <rostedt@goodmis.org>,
	linux-m68k@lists.linux-m68k.org, openrisc@lists.librecores.org,
	Andy Lutomirski <luto@kernel.org>,
	Stafford Horne <shorne@gmail.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-parisc@vger.kernel.org, linux-mm@kvack.org,
	linux-mips@vger.kernel.org, linux-alpha@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	linuxppc-dev@lists.ozlabs.org, Mike Rapoport <rppt@kernel.org>
Subject: [PATCH 2/8] opeinrisc: switch to generic version of pte allocation
Date: Sat, 27 Jun 2020 17:34:47 +0300
Message-ID: <20200627143453.31835-3-rppt@kernel.org> (raw)
In-Reply-To: <20200627143453.31835-1-rppt@kernel.org>

From: Mike Rapoport <rppt@linux.ibm.com>

Replace pte_alloc_one(), pte_free() and pte_free_kernel() with the generic
implementation. The only actual functional change is the addition of
__GFP_ACCOUT for the allocation of the user page tables.

The pte_alloc_one_kernel() is kept back because its implementation on
openrisc is different than the generic one.

Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
---
 arch/openrisc/include/asm/pgalloc.h | 33 +++--------------------------
 1 file changed, 3 insertions(+), 30 deletions(-)

diff --git a/arch/openrisc/include/asm/pgalloc.h b/arch/openrisc/include/asm/pgalloc.h
index da12a4c38c4b..88820299ecc4 100644
--- a/arch/openrisc/include/asm/pgalloc.h
+++ b/arch/openrisc/include/asm/pgalloc.h
@@ -20,6 +20,9 @@
 #include <linux/mm.h>
 #include <linux/memblock.h>
 
+#define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL
+#include <asm-generic/pgalloc.h>
+
 extern int mem_init_done;
 
 #define pmd_populate_kernel(mm, pmd, pte) \
@@ -61,38 +64,8 @@ extern inline pgd_t *pgd_alloc(struct mm_struct *mm)
 }
 #endif
 
-static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
-{
-	free_page((unsigned long)pgd);
-}
-
 extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm);
 
-static inline struct page *pte_alloc_one(struct mm_struct *mm)
-{
-	struct page *pte;
-	pte = alloc_pages(GFP_KERNEL, 0);
-	if (!pte)
-		return NULL;
-	clear_page(page_address(pte));
-	if (!pgtable_pte_page_ctor(pte)) {
-		__free_page(pte);
-		return NULL;
-	}
-	return pte;
-}
-
-static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
-{
-	free_page((unsigned long)pte);
-}
-
-static inline void pte_free(struct mm_struct *mm, struct page *pte)
-{
-	pgtable_pte_page_dtor(pte);
-	__free_page(pte);
-}
-
 #define __pte_free_tlb(tlb, pte, addr)	\
 do {					\
 	pgtable_pte_page_dtor(pte);	\
-- 
2.26.2


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  parent reply index

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-27 14:34 [PATCH 0/8] mm: cleanup usage of <asm/pgalloc.h> Mike Rapoport
2020-06-27 14:34 ` [PATCH 1/8] mm: remove unneeded includes " Mike Rapoport
2020-06-29 15:41   ` Geert Uytterhoeven
2020-06-27 14:34 ` Mike Rapoport [this message]
2020-06-27 21:23   ` [PATCH 2/8] opeinrisc: switch to generic version of pte allocation Stafford Horne
2020-06-27 14:34 ` [PATCH 3/8] xtensa: " Mike Rapoport
2020-06-27 14:34 ` [PATCH 4/8] asm-generic: pgalloc: provide generic pmd_alloc_one() and pmd_free_one() Mike Rapoport
2020-06-27 19:03   ` Matthew Wilcox
2020-06-28  7:10     ` Mike Rapoport
2020-06-29 15:59     ` Mike Rapoport
2020-06-27 14:34 ` [PATCH 5/8] asm-generic: pgalloc: provide generic pud_alloc_one() and pud_free_one() Mike Rapoport
2020-06-27 14:34 ` [PATCH 6/8] asm-generic: pgalloc: provide generic pgd_free() Mike Rapoport
2020-06-29 15:42   ` Geert Uytterhoeven
2020-06-27 14:34 ` [PATCH 7/8] mm: move lib/ioremap.c to mm/ Mike Rapoport
2020-06-27 14:34 ` [PATCH 8/8] mm: move p?d_alloc_track to separate header file Mike Rapoport
2020-06-27 18:31 ` [PATCH 0/8] mm: cleanup usage of <asm/pgalloc.h> Matthew Wilcox
2020-06-27 18:46 ` [PATCH 9/8] mm: Account PMD tables like PTE tables Matthew Wilcox
2020-06-28  6:59   ` Mike Rapoport
2020-06-29 14:01 ` [PATCH 0/8] mm: cleanup usage of <asm/pgalloc.h> Pekka Enberg
2020-07-02 21:46 ` Mike Rapoport

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