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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2017-03-22 09:06:49 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-03-31 23:09:54 +1100 |
| commit | 52b1e66587b6b4f2e5a09102b3a40eed8ec3675f (patch) | |
| tree | b0f2272245ec8d3aef1702692415d4539e6c0c38 /arch/powerpc/kernel/paca.c | |
| parent | a4d3621503290f73b2ca65a6de58f01296c0b85c (diff) | |
| download | linux-stable-52b1e66587b6b4f2e5a09102b3a40eed8ec3675f.tar.gz | |
powerpc/mm: Move copy_mm_to_paca to paca.c
We also update the function arg to struct mm_struct. Move this so that function
finds the definition of struct mm_struct. No functional change in this patch.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/paca.c')
| -rw-r--r-- | arch/powerpc/kernel/paca.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c index dfc479df9634..e2cf745a4b94 100644 --- a/arch/powerpc/kernel/paca.c +++ b/arch/powerpc/kernel/paca.c @@ -245,3 +245,22 @@ void __init free_unused_pacas(void) free_lppacas(); } + +void copy_mm_to_paca(struct mm_struct *mm) +{ +#ifdef CONFIG_PPC_BOOK3S + mm_context_t *context = &mm->context; + + get_paca()->mm_ctx_id = context->id; +#ifdef CONFIG_PPC_MM_SLICES + get_paca()->mm_ctx_low_slices_psize = context->low_slices_psize; + memcpy(&get_paca()->mm_ctx_high_slices_psize, + &context->high_slices_psize, SLICE_ARRAY_SIZE); +#else /* CONFIG_PPC_MM_SLICES */ + get_paca()->mm_ctx_user_psize = context->user_psize; + get_paca()->mm_ctx_sllp = context->sllp; +#endif +#else /* CONFIG_PPC_BOOK3S */ + return; +#endif +} |