ctx->flags only has 2 bits assigned, so there's no need for a 32-bit field. Likewise, rand_data_valid is at most 16. A typical x86 spinlock_t is 16 bits, so they fit very nicely right next to it, shrinking the 64-bit context structure to 64 bytes. Signed-off-by: George Spelvin <linux@xxxxxxxxxxx> --- crypto/ansi_cprng.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/crypto/ansi_cprng.c b/crypto/ansi_cprng.c index 730e0857..022662d7 100644 --- a/crypto/ansi_cprng.c +++ b/crypto/ansi_cprng.c @@ -43,12 +43,12 @@ */ struct prng_context { spinlock_t prng_lock; + u8 flags; + u8 rand_data_valid; unsigned char rand_data[DEFAULT_BLK_SZ]; unsigned char DT[DEFAULT_BLK_SZ]; unsigned char V[DEFAULT_BLK_SZ]; - u32 rand_data_valid; struct crypto_cipher *tfm; - u32 flags; }; static int dbg; -- 2.1.3 -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html