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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/mm/pgtable.c | |
| 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/mm/pgtable.c')
| -rw-r--r-- | arch/powerpc/mm/pgtable.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c index 354611940118..1707ab580ee2 100644 --- a/arch/powerpc/mm/pgtable.c +++ b/arch/powerpc/mm/pgtable.c @@ -28,6 +28,8 @@ #include <asm/hugetlb.h> #include <asm/pte-walk.h> +pgd_t swapper_pg_dir[MAX_PTRS_PER_PGD] __page_aligned_bss; + static inline int is_exec_fault(void) { return current->thread.regs && TRAP(current->thread.regs) == 0x400; |