From: Al Viro <viro@zeniv.linux.org.uk>
To: linux-arch@vger.kernel.org
Cc: Arnd Bergmann <arnd@arndb.de>, Guo Ren <guoren@kernel.org>,
linux-alpha@vger.kernel.org,
Geert Uytterhoeven <geert@linux-m68k.org>,
Michal Simek <monstr@monstr.eu>,
Max Filippov <jcmvbkbc@gmail.com>,
Jonas Bonn <jonas@southpole.se>
Subject: [PATCH 2/6][alpha,m68k,openrisc] PAGE_PTR() had been last used outside of arch/* in 1.1.94
Date: Thu, 11 Sep 2025 02:53:06 +0100 [thread overview]
Message-ID: <20250911015306.GB2604499@ZenIV> (raw)
In-Reply-To: <20250911015124.GV31600@ZenIV>
.. and in arch/* - circa 2.2.7.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
arch/alpha/include/asm/pgtable.h | 13 -------------
arch/m68k/include/asm/pgtable_mm.h | 10 ----------
arch/openrisc/include/asm/pgtable.h | 14 --------------
3 files changed, 37 deletions(-)
diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h
index 44e7aedac6e8..ae2bdbeec91c 100644
--- a/arch/alpha/include/asm/pgtable.h
+++ b/arch/alpha/include/asm/pgtable.h
@@ -141,19 +141,6 @@ extern unsigned long __zero_page(void);
#define BAD_PAGE __bad_page()
#define ZERO_PAGE(vaddr) (virt_to_page(ZERO_PGE))
-/* number of bits that fit into a memory pointer */
-#define BITS_PER_PTR (8*sizeof(unsigned long))
-
-/* to align the pointer to a pointer address */
-#define PTR_MASK (~(sizeof(void*)-1))
-
-/* sizeof(void*)==1<<SIZEOF_PTR_LOG2 */
-#define SIZEOF_PTR_LOG2 3
-
-/* to find an entry in a page-table */
-#define PAGE_PTR(address) \
- ((unsigned long)(address)>>(PAGE_SHIFT-SIZEOF_PTR_LOG2)&PTR_MASK&~PAGE_MASK)
-
/*
* On certain platforms whose physical address space can overlap KSEG,
* namely EV6 and above, we must re-twiddle the physaddr to restore the
diff --git a/arch/m68k/include/asm/pgtable_mm.h b/arch/m68k/include/asm/pgtable_mm.h
index 62f2ff4e6799..bba64a9c49ac 100644
--- a/arch/m68k/include/asm/pgtable_mm.h
+++ b/arch/m68k/include/asm/pgtable_mm.h
@@ -119,16 +119,6 @@ extern void *empty_zero_page;
*/
#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
-/* number of bits that fit into a memory pointer */
-#define BITS_PER_PTR (8*sizeof(unsigned long))
-
-/* to align the pointer to a pointer address */
-#define PTR_MASK (~(sizeof(void*)-1))
-
-/* sizeof(void*)==1<<SIZEOF_PTR_LOG2 */
-/* 64-bit machines, beware! SRB. */
-#define SIZEOF_PTR_LOG2 2
-
extern void kernel_set_cachemode(void *addr, unsigned long size, int cmode);
/*
diff --git a/arch/openrisc/include/asm/pgtable.h b/arch/openrisc/include/asm/pgtable.h
index d33702831505..138f46fc838b 100644
--- a/arch/openrisc/include/asm/pgtable.h
+++ b/arch/openrisc/include/asm/pgtable.h
@@ -183,20 +183,6 @@ extern void paging_init(void);
extern unsigned long empty_zero_page[2048];
#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
-/* number of bits that fit into a memory pointer */
-#define BITS_PER_PTR (8*sizeof(unsigned long))
-
-/* to align the pointer to a pointer address */
-#define PTR_MASK (~(sizeof(void *)-1))
-
-/* sizeof(void*)==1<<SIZEOF_PTR_LOG2 */
-/* 64-bit machines, beware! SRB. */
-#define SIZEOF_PTR_LOG2 2
-
-/* to find an entry in a page-table */
-#define PAGE_PTR(address) \
-((unsigned long)(address)>>(PAGE_SHIFT-SIZEOF_PTR_LOG2)&PTR_MASK&~PAGE_MASK)
-
/* to set the page-dir */
#define SET_PAGE_DIR(tsk, pgdir)
--
2.47.2
next prev parent reply other threads:[~2025-09-11 1:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-11 1:51 [PATCHES] misc dead code removals in arch/* - mostly asm/pgtable.h Al Viro
2025-09-11 1:52 ` [PATCH 1/6] csky: remove BS check for FAULT_FLAG_ALLOW_RETRY Al Viro
2025-09-11 2:55 ` Guo Ren
2025-09-11 1:53 ` Al Viro [this message]
2025-09-11 7:29 ` [PATCH 2/6][alpha,m68k,openrisc] PAGE_PTR() had been last used outside of arch/* in 1.1.94 Geert Uytterhoeven
2025-09-11 1:53 ` [PATCH 3/6][openrisc] SET_PAGE_DIR() users had been gone since 2.3.12pre1 Al Viro
2025-09-11 1:54 ` [PATCH 4/6] alpha: get rid of the remnants of BAD_PAGE and friends Al Viro
2025-09-11 1:54 ` [PATCH 5/6][microblaze,xtensa] kill FIRST_USER_PGD_NR Al Viro
2025-09-11 14:57 ` Max Filippov
2025-09-15 6:42 ` Michal Simek
2025-09-11 1:55 ` [PATCH 6/6] alpha: unobfuscate _PAGE_P() definition Al Viro
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