[PATCH 2/3] powerpc/mm/64s: Fix no previous prototype warning
From: Michael Ellerman <mpe@ellerman.id.au>
Date: 2021-02-10 15:04:35
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
As reported by lkp:
arch/powerpc/mm/book3s64/radix_tlb.c:646:6: warning: no previous
prototype for function 'exit_lazy_flush_tlb'
Fix it by moving the prototype into the existing header.
Fixes: 032b7f08932c ("powerpc/64s/radix: serialize_against_pte_lookup IPIs trim mm_cpumask")
Reported-by: kernel test robot <redacted>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
arch/powerpc/mm/book3s64/internal.h | 2 ++
arch/powerpc/mm/book3s64/pgtable.c | 4 ++--
arch/powerpc/mm/book3s64/radix_tlb.c | 2 ++
3 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/mm/book3s64/internal.h b/arch/powerpc/mm/book3s64/internal.h
index c12d78ee42f5..5045048ce244 100644
--- a/arch/powerpc/mm/book3s64/internal.h
+++ b/arch/powerpc/mm/book3s64/internal.h@@ -15,4 +15,6 @@ static inline bool stress_slb(void) void slb_setup_new_exec(void); +void exit_lazy_flush_tlb(struct mm_struct *mm, bool always_flush); + #endif /* ARCH_POWERPC_MM_BOOK3S64_INTERNAL_H */
diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/pgtable.c
index 78c492e86752..9ffa65074cb0 100644
--- a/arch/powerpc/mm/book3s64/pgtable.c
+++ b/arch/powerpc/mm/book3s64/pgtable.c@@ -20,6 +20,8 @@ #include <mm/mmu_decl.h> #include <trace/events/thp.h> +#include "internal.h" + unsigned long __pmd_frag_nr; EXPORT_SYMBOL(__pmd_frag_nr); unsigned long __pmd_frag_size_shift;
@@ -79,8 +81,6 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, return set_pte_at(mm, addr, pmdp_ptep(pmdp), pmd_pte(pmd)); } -void exit_lazy_flush_tlb(struct mm_struct *mm, bool always_flush); - static void do_serialize(void *arg) { /* We've taken the IPI, so try to trim the mask while here */
diff --git a/arch/powerpc/mm/book3s64/radix_tlb.c b/arch/powerpc/mm/book3s64/radix_tlb.c
index d7f1a6bd08ef..409e61210789 100644
--- a/arch/powerpc/mm/book3s64/radix_tlb.c
+++ b/arch/powerpc/mm/book3s64/radix_tlb.c@@ -18,6 +18,8 @@ #include <asm/cputhreads.h> #include <asm/plpar_wrappers.h> +#include "internal.h" + #define RIC_FLUSH_TLB 0 #define RIC_FLUSH_PWC 1 #define RIC_FLUSH_ALL 2
--
2.25.1