linux-kernel - [PATCH] i386/PAE: fix pud

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-next>] [day] [month] [year] [list]

Date:	Thu, 30 Oct 2008 10:37:21 +0000
From:	"Jan Beulich" <jbeulich@...ell.com>
To:	<mingo@...e.hu>, <tglx@...utronix.de>, <hpa@...or.com>
Cc:	<linux-kernel@...r.kernel.org>
Subject: [PATCH] i386/PAE: fix pud_page()

To the unsuspecting user it is quite annoying that this broken and
inconsistent with x86-64 definition still exists.

Signed-off-by: Jan Beulich <jbeulich@...ell.com>

---
 arch/x86/include/asm/pgtable-3level.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- linux-2.6.28-rc2/arch/x86/include/asm/pgtable-3level.h	2008-10-30 11:03:18.000000000 +0100
+++ 2.6.28-rc2-i386-pae-pud_page/arch/x86/include/asm/pgtable-3level.h	2008-10-29 11:35:24.000000000 +0100
@@ -120,13 +120,13 @@ static inline void pud_clear(pud_t *pudp
 		write_cr3(pgd);
 }
 
-#define pud_page(pud) ((struct page *) __va(pud_val(pud) & PTE_PFN_MASK))
+#define pud_page(pud) pfn_to_page(pud_val(pud) >> PAGE_SHIFT)
 
 #define pud_page_vaddr(pud) ((unsigned long) __va(pud_val(pud) & PTE_PFN_MASK))
 
 
 /* Find an entry in the second-level page table.. */
-#define pmd_offset(pud, address) ((pmd_t *)pud_page(*(pud)) +	\
+#define pmd_offset(pud, address) ((pmd_t *)pud_page_vaddr(*(pud)) +	\
 				  pmd_index(address))
 
 #ifdef CONFIG_SMP



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/