diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-09-27 09:16:30 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-12-04 01:01:17 +1100 |
| commit | 511157ab641eb6bedd00d62673388e78a4f871cf (patch) | |
| tree | 0567b070b65c428e2f1b61c5c6c095b50ecbdbe4 /arch/powerpc/include/asm/mmu_context.h | |
| parent | c102f07667486dc4a6ae1e3fe7aa67135cb40e3e (diff) | |
powerpc/vdso: Move vdso datapage up front
Move the vdso datapage in front of the VDSO area,
before vdso test.
This will allow to remove the __kernel_datapage_offset symbol
and simplify __get_datapage() in following patches.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/b68c99b6e8ee0b1d99bfa4c7e34c359fc1bc1000.1601197618.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/include/asm/mmu_context.h')
| -rw-r--r-- | arch/powerpc/include/asm/mmu_context.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h index d54358cb5be1..e5a5e3cb7724 100644 --- a/arch/powerpc/include/asm/mmu_context.h +++ b/arch/powerpc/include/asm/mmu_context.h @@ -262,7 +262,7 @@ extern void arch_exit_mmap(struct mm_struct *mm); static inline void arch_unmap(struct mm_struct *mm, unsigned long start, unsigned long end) { - unsigned long vdso_base = (unsigned long)mm->context.vdso; + unsigned long vdso_base = (unsigned long)mm->context.vdso - PAGE_SIZE; if (start <= vdso_base && vdso_base < end) mm->context.vdso = NULL; |