From: "Guo Ren (Alibaba DAMO Academy)" <[email protected]> The sizeof(atomic_t) is 4 in rv64ilp32 abi linux kernel, which could provide a higher density of cache and a smaller memory footprint.
Signed-off-by: Guo Ren (Alibaba DAMO Academy) <[email protected]> --- include/linux/file_ref.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/file_ref.h b/include/linux/file_ref.h index 9b3a8d9b17ab..ce9b47359e14 100644 --- a/include/linux/file_ref.h +++ b/include/linux/file_ref.h @@ -27,7 +27,7 @@ * 0xFFFFFFFFFFFFFFFFUL */ -#ifdef CONFIG_64BIT +#if BITS_PER_LONG == 64 #define FILE_REF_ONEREF 0x0000000000000000UL #define FILE_REF_MAXREF 0x7FFFFFFFFFFFFFFFUL #define FILE_REF_SATURATED 0xA000000000000000UL @@ -44,7 +44,7 @@ #endif typedef struct { -#ifdef CONFIG_64BIT +#if BITS_PER_LONG == 64 atomic64_t refcnt; #else atomic_t refcnt; -- 2.40.1
