The following commit has been merged into the x86/cleanups branch of tip:
Commit-ID: 0a787b28b7a375ad9d5c77bc3922ae1a8305239e
Gitweb: https://git.kernel.org/tip/0a787b28b7a375ad9d5c77bc3922ae1a8305239e
Author: Arvind Sankar <nivedita@xxxxxxxxxxxx>
AuthorDate: Thu, 23 Jul 2020 19:15:42 -04:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Fri, 24 Jul 2020 09:53:06 +02:00
x86/mm: Drop unused MAX_PHYSADDR_BITS
The macro is not used anywhere, and has an incorrect value (going by the
comment) on x86_64 since commit c898faf91b3e ("x86: 46 bit physical address
support on 64 bits")
To avoid confusion, just remove the definition.
Signed-off-by: Arvind Sankar <nivedita@xxxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lkml.kernel.org/r/20200723231544.17274-2-nivedita@xxxxxxxxxxxx
---
arch/x86/include/asm/sparsemem.h | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/arch/x86/include/asm/sparsemem.h b/arch/x86/include/asm/sparsemem.h
index 1992187..6bfc878 100644
--- a/arch/x86/include/asm/sparsemem.h
+++ b/arch/x86/include/asm/sparsemem.h
@@ -10,24 +10,20 @@
* field of the struct page
*
* SECTION_SIZE_BITS 2^n: size of each section
- * MAX_PHYSADDR_BITS 2^n: max size of physical address space
- * MAX_PHYSMEM_BITS 2^n: how much memory we can have in that space
+ * MAX_PHYSMEM_BITS 2^n: max size of physical address space
*
*/
#ifdef CONFIG_X86_32
# ifdef CONFIG_X86_PAE
# define SECTION_SIZE_BITS 29
-# define MAX_PHYSADDR_BITS 36
# define MAX_PHYSMEM_BITS 36
# else
# define SECTION_SIZE_BITS 26
-# define MAX_PHYSADDR_BITS 32
# define MAX_PHYSMEM_BITS 32
# endif
#else /* CONFIG_X86_32 */
# define SECTION_SIZE_BITS 27 /* matt - 128 is convenient right now */
-# define MAX_PHYSADDR_BITS (pgtable_l5_enabled() ? 52 : 44)
# define MAX_PHYSMEM_BITS (pgtable_l5_enabled() ? 52 : 46)
#endif
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