[linux-morello] [PATCH v2 3/4] arm64: compat: Only use legacy SHMLBA in compat32

On arm64 compat uses a 16k legacy alignment for shmat rather than the page size. Only set it when in compat32.

Signed-off-by: Teo Couprie Diaz teo.coupriediaz@arm.com --- arch/arm64/include/asm/shmparam.h | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/include/asm/shmparam.h b/arch/arm64/include/asm/shmparam.h index f920e22ec677..804de90c7931 100644 --- a/arch/arm64/include/asm/shmparam.h +++ b/arch/arm64/include/asm/shmparam.h @@ -10,7 +10,9 @@ * alignment value. Since we don't have aliasing D-caches, the rest of * the time we can safely use PAGE_SIZE. */ +#ifdef CONFIG_COMPAT32 #define COMPAT_SHMLBA (4 * PAGE_SIZE) +#endif

#include <asm-generic/shmparam.h>