On Tue, Jun 29, 2010 at 2:50 AM, FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> wrote: > This is a resend: > > http://marc.info/?t=127432584100006&r=1&w=2 > > I thought that it was merged but seems that it was lost somewhere? > > = > From: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> > Subject: [PATCH] parisc: set ARCH_KMALLOC_MINALIGN > > Architectures that handle DMA-non-coherent memory need to set > ARCH_KMALLOC_MINALIGN to make sure that kmalloc'ed buffer is DMA-safe: > the buffer doesn't share a cache with the others. > > Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> > Cc: Kyle McMartin <kyle@xxxxxxxxxxx> > Cc: Helge Deller <deller@xxxxxx> > Cc: James E.J. Bottomley <jejb@xxxxxxxxxxxxxxxx> > Cc: stable@xxxxxxxxxx > --- > arch/parisc/include/asm/cache.h | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/arch/parisc/include/asm/cache.h b/arch/parisc/include/asm/cache.h > index 45effe6..5d87f27 100644 > --- a/arch/parisc/include/asm/cache.h > +++ b/arch/parisc/include/asm/cache.h > @@ -22,6 +22,8 @@ > #define L1_CACHE_SHIFT 5 > #endif > > +#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES > + > #ifndef __ASSEMBLY__ > > #define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1)) Looks like you can send a patch to kill L1_CACHE_ALIGN too. :) > -- > 1.6.5 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-parisc" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
