| Message ID | 1450099664-38554-2-git-send-email-ashoks@broadcom.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Mon, Dec 14, 2015 at 05:27:43AM -0800, Ashok Kumar wrote: > Defer dcache flushing to __sync_icache_dcache by calling > flush_dcache_page which clears PG_dcache_clean flag. > > Signed-off-by: Ashok Kumar <ashoks@broadcom.com> > --- > arch/arm64/mm/copypage.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/mm/copypage.c b/arch/arm64/mm/copypage.c > index 13bbc3be..22e4cb4 100644 > --- a/arch/arm64/mm/copypage.c > +++ b/arch/arm64/mm/copypage.c > @@ -24,8 +24,9 @@ > > void __cpu_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr) > { > + struct page *page = virt_to_page(kto); > copy_page(kto, kfrom); > - __flush_dcache_area(kto, PAGE_SIZE); > + flush_dcache_page(page); > } > EXPORT_SYMBOL_GPL(__cpu_copy_user_page); Acked-by: Catalin Marinas <catalin.marinas@arm.com>
diff --git a/arch/arm64/mm/copypage.c b/arch/arm64/mm/copypage.c index 13bbc3be..22e4cb4 100644 --- a/arch/arm64/mm/copypage.c +++ b/arch/arm64/mm/copypage.c @@ -24,8 +24,9 @@ void __cpu_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr) { + struct page *page = virt_to_page(kto); copy_page(kto, kfrom); - __flush_dcache_area(kto, PAGE_SIZE); + flush_dcache_page(page); } EXPORT_SYMBOL_GPL(__cpu_copy_user_page);
Defer dcache flushing to __sync_icache_dcache by calling flush_dcache_page which clears PG_dcache_clean flag. Signed-off-by: Ashok Kumar <ashoks@broadcom.com> --- arch/arm64/mm/copypage.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)