Sandipan Das <sandi...@linux.ibm.com> writes:
> Trace memory is cleared and the corresponding dcache lines
> are flushed after allocation. However, this should not be
> done using the PFN. This adds the missing __va() conversion.
Reviewed-by: Aneesh Kumar K.V <aneesh.ku...@linux.ibm.com>
>
> Fixes: 2ac02e5ecec0 ("powerpc/mm: Remove dcache flush from memory remove.")
> Signed-off-by: Sandipan Das <sandi...@linux.ibm.com>
> ---
> arch/powerpc/platforms/powernv/memtrace.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/powerpc/platforms/powernv/memtrace.c
> b/arch/powerpc/platforms/powernv/memtrace.c
> index 71c1262589fe..a31f13814f2e 100644
> --- a/arch/powerpc/platforms/powernv/memtrace.c
> +++ b/arch/powerpc/platforms/powernv/memtrace.c
> @@ -104,8 +104,8 @@ static void memtrace_clear_range(unsigned long start_pfn,
> * Before we go ahead and use this range as cache inhibited range
> * flush the cache.
> */
> - flush_dcache_range_chunked(PFN_PHYS(start_pfn),
> - PFN_PHYS(start_pfn + nr_pages),
> + flush_dcache_range_chunked((unsigned long)__va(PFN_PHYS(start_pfn)),
> + (unsigned long)__va(PFN_PHYS(start_pfn +
> nr_pages)),
> FLUSH_CHUNK_SIZE);
> }
>
> --
> 2.25.1
