linux-kernel - [PATCH v4 31/36] mm: Tidy up set

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 15 Mar 2023 05:14:39 +0000
From:   "Matthew Wilcox (Oracle)" <willy@...radead.org>
To:     linux-arch@...r.kernel.org
Cc:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH v4 31/36] mm: Tidy up set_ptes definition

Now that all architectures are converted, we can remove the
PFN_PTE_SHIFT ifdef and we can define set_pte_at() unconditionally.

Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
---
 include/linux/pgtable.h | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index a755fe94b4b4..a54b9197f2f2 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -173,7 +173,6 @@ static inline int pmd_young(pmd_t pmd)
 #endif
 
 #ifndef set_ptes
-#ifdef PFN_PTE_SHIFT
 /**
  * set_ptes - Map consecutive pages to a contiguous range of addresses.
  * @mm: Address space to map the pages into.
@@ -201,13 +200,8 @@ static inline void set_ptes(struct mm_struct *mm, unsigned long addr,
 		pte = __pte(pte_val(pte) + (1UL << PFN_PTE_SHIFT));
 	}
 }
-#ifndef set_pte_at
-#define set_pte_at(mm, addr, ptep, pte) set_ptes(mm, addr, ptep, pte, 1)
-#endif
 #endif
-#else
 #define set_pte_at(mm, addr, ptep, pte) set_ptes(mm, addr, ptep, pte, 1)
-#endif
 
 #ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
 extern int ptep_set_access_flags(struct vm_area_struct *vma,
-- 
2.39.2