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authorPaul Mackerras <paulus@samba.org>2016-02-22 13:41:15 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2016-02-29 20:34:39 +1100
commit849f86a630e9c84bf4c9d5dcbfe59dc94b2e15ce (patch)
tree440ffd5ffb57ccbc4005cd50e3ba471ea59d5595 /arch/powerpc/mm/mmu_decl.h
parentpowerpc/mm/book3s-64: Use physical addresses in upper page table tree levels (diff)
downloadlinux-dev-849f86a630e9c84bf4c9d5dcbfe59dc94b2e15ce.tar.xz
linux-dev-849f86a630e9c84bf4c9d5dcbfe59dc94b2e15ce.zip
powerpc/mm/book3s-64: Move _PAGE_PRESENT to the most significant bit
This changes _PAGE_PRESENT for 64-bit Book 3S processors from 0x2 to 0x8000_0000_0000_0000, because that is where PowerISA v3.0 CPUs in radix mode will expect to find it. Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/mmu_decl.h')
-rw-r--r--arch/powerpc/mm/mmu_decl.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h
index 9f58ff44a075..898d63365cdd 100644
--- a/arch/powerpc/mm/mmu_decl.h
+++ b/arch/powerpc/mm/mmu_decl.h
@@ -110,7 +110,8 @@ extern unsigned long Hash_size, Hash_mask;
#endif /* CONFIG_PPC32 */
#ifdef CONFIG_PPC64
-extern int map_kernel_page(unsigned long ea, unsigned long pa, int flags);
+extern int map_kernel_page(unsigned long ea, unsigned long pa,
+ unsigned long flags);
#endif /* CONFIG_PPC64 */
extern unsigned long ioremap_bot;