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| author | Frank Seidel <frank@f-seidel.de> | 2009-03-29 15:18:39 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2009-06-02 14:04:09 +1000 |
| commit | 376bacb0a26bca722981d1610ffb76f951572bb1 (patch) | |
| tree | 396c711518b70363b7325be933ac2fa6ed56a54e /crypto/tcrypt.c | |
| parent | d315a0e09f1c8b833cacd5e72f3edea419978138 (diff) | |
| download | lwn-376bacb0a26bca722981d1610ffb76f951572bb1.tar.gz lwn-376bacb0a26bca722981d1610ffb76f951572bb1.zip | |
crypto: tcrypt - Reduce stack size
Applying kernel janitors todos (printk calls need KERN_*
constants on linebeginnings, reduce stack footprint where
possible) to tcrypts test_hash_speed (where stacks
memory footprint was very high (on i386 1184 bytes to
160 now).
Signed-off-by: Frank Seidel <frank@f-seidel.de>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/tcrypt.c')
| -rw-r--r-- | crypto/tcrypt.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c index c3c9124209a1..50d1e35bbff4 100644 --- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -396,16 +396,16 @@ static void test_hash_speed(const char *algo, unsigned int sec, struct scatterlist sg[TVMEMSIZE]; struct crypto_hash *tfm; struct hash_desc desc; - char output[1024]; + static char output[1024]; int i; int ret; - printk("\ntesting speed of %s\n", algo); + printk(KERN_INFO "\ntesting speed of %s\n", algo); tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm)) { - printk("failed to load transform for %s: %ld\n", algo, + printk(KERN_ERR "failed to load transform for %s: %ld\n", algo, PTR_ERR(tfm)); return; } @@ -414,7 +414,7 @@ static void test_hash_speed(const char *algo, unsigned int sec, desc.flags = 0; if (crypto_hash_digestsize(tfm) > sizeof(output)) { - printk("digestsize(%u) > outputbuffer(%zu)\n", + printk(KERN_ERR "digestsize(%u) > outputbuffer(%zu)\n", crypto_hash_digestsize(tfm), sizeof(output)); goto out; } @@ -427,12 +427,14 @@ static void test_hash_speed(const char *algo, unsigned int sec, for (i = 0; speed[i].blen != 0; i++) { if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) { - printk("template (%u) too big for tvmem (%lu)\n", + printk(KERN_ERR + "template (%u) too big for tvmem (%lu)\n", speed[i].blen, TVMEMSIZE * PAGE_SIZE); goto out; } - printk("test%3u (%5u byte blocks,%5u bytes per update,%4u updates): ", + printk(KERN_INFO "test%3u " + "(%5u byte blocks,%5u bytes per update,%4u updates): ", i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen); if (sec) @@ -443,7 +445,7 @@ static void test_hash_speed(const char *algo, unsigned int sec, speed[i].plen, output); if (ret) { - printk("hashing failed ret=%d\n", ret); + printk(KERN_ERR "hashing failed ret=%d\n", ret); break; } } |