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powerpc/paca: Remove mm_ctx_id and mm_ctx_slb_addr_limit

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mm_ctx_id and mm_ctx_slb_addr_limit are not used anymore.

Remove them.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/6e1813953da38c452c131fe3e2a2761a0fddb975.1620223303.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy 2021-05-05 14:02:13 +00:00 committed by Michael Ellerman
parent 1a3c6ceed2
commit 13c7dad951
2 changed files with 0 additions and 4 deletions
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2
arch/powerpc/include/asm/paca.h
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@ -149,11 +149,9 @@ struct paca_struct {
#endif /* CONFIG_PPC_BOOK3E */
#ifdef CONFIG_PPC_BOOK3S
mm_context_id_t mm_ctx_id;
#ifdef CONFIG_PPC_MM_SLICES
unsigned char mm_ctx_low_slices_psize[BITS_PER_LONG / BITS_PER_BYTE];
unsigned char mm_ctx_high_slices_psize[SLICE_ARRAY_SIZE];
unsigned long mm_ctx_slb_addr_limit;
#else
u16 mm_ctx_user_psize;
u16 mm_ctx_sllp;

2
arch/powerpc/kernel/paca.c
View file

@ -346,10 +346,8 @@ 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
VM_BUG_ON(!mm_ctx_slb_addr_limit(context));
get_paca()->mm_ctx_slb_addr_limit = mm_ctx_slb_addr_limit(context);
memcpy(&get_paca()->mm_ctx_low_slices_psize, mm_ctx_low_slices(context),
LOW_SLICE_ARRAY_SZ);
memcpy(&get_paca()->mm_ctx_high_slices_psize, mm_ctx_high_slices(context),