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 <li...@horizon.com>
---
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
--
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