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| author | Arvind Sankar <nivedita@alum.mit.edu> | 2020-07-24 02:15:42 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-07-24 10:53:06 +0300 |
| commit | 0a787b28b7a375ad9d5c77bc3922ae1a8305239e (patch) | |
| tree | 39d5f0dff51ddc694b6f95a9deb4d2444e75fc72 | |
| parent | 99e40204e014e06644072c39001a269d9689e0d1 (diff) | |
| download | linux-0a787b28b7a375ad9d5c77bc3922ae1a8305239e.tar.xz | |
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@alum.mit.edu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200723231544.17274-2-nivedita@alum.mit.edu
| -rw-r--r-- | arch/x86/include/asm/sparsemem.h | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/arch/x86/include/asm/sparsemem.h b/arch/x86/include/asm/sparsemem.h index 199218719a86..6bfc878f6771 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 |