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| author |   Christophe Leroy <christophe.leroy@csgroup.eu> | 2021-06-07 10:56:05 +0000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2021-06-17 00:09:10 +1000 |
| commit | e72421a085a8dc81c71b0daeb89612279c2c621c (patch) | |
| tree | 103b9b6aa59da2c354365c2717539e54d2cc6c41 /arch/powerpc/include/asm/book3s/64 | |
| parent | powerpc: Define empty_zero_page[] in C (diff) | |
| download | linux-dev-e72421a085a8dc81c71b0daeb89612279c2c621c.tar.xz linux-dev-e72421a085a8dc81c71b0daeb89612279c2c621c.zip | |
powerpc: Define swapper_pg_dir[] in C
Don't duplicate swapper_pg_dir[] in each platform's head.S
Define it in mm/pgtable.c
Define MAX_PTRS_PER_PGD because on book3s/64 PTRS_PER_PGD is
not a constant.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/5e3f1b8a4695c33ccc80aa3870e016bef32b85e1.1623063174.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/pgtable.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index a666d561b44d..4d9941b2fe51 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -232,6 +232,9 @@ extern unsigned long __pmd_frag_size_shift; #define PTRS_PER_PUD (1 << PUD_INDEX_SIZE) #define PTRS_PER_PGD (1 << PGD_INDEX_SIZE) +#define MAX_PTRS_PER_PGD (1 << (H_PGD_INDEX_SIZE > RADIX_PGD_INDEX_SIZE ? \ + H_PGD_INDEX_SIZE : RADIX_PGD_INDEX_SIZE)) + /* PMD_SHIFT determines what a second-level page table entry can map */ #define PMD_SHIFT (PAGE_SHIFT + PTE_INDEX_SIZE) #define PMD_SIZE (1UL << PMD_SHIFT) |