Commit 3bd0b5bf authored by Rasmus Villemoes's avatar Rasmus Villemoes Committed by Theodore Ts'o

drivers/char/random.c: remove unused stuct poolinfo::poolbits

This field is never used, might as well remove it.
Signed-off-by: default avatarRasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent 26e0854a
...@@ -295,7 +295,7 @@ ...@@ -295,7 +295,7 @@
* To allow fractional bits to be tracked, the entropy_count field is * To allow fractional bits to be tracked, the entropy_count field is
* denominated in units of 1/8th bits. * denominated in units of 1/8th bits.
* *
* 2*(ENTROPY_SHIFT + log2(poolbits)) must <= 31, or the multiply in * 2*(ENTROPY_SHIFT + poolbitshift) must <= 31, or the multiply in
* credit_entropy_bits() needs to be 64 bits wide. * credit_entropy_bits() needs to be 64 bits wide.
*/ */
#define ENTROPY_SHIFT 3 #define ENTROPY_SHIFT 3
...@@ -360,8 +360,8 @@ static int random_write_wakeup_bits = 28 * OUTPUT_POOL_WORDS; ...@@ -360,8 +360,8 @@ static int random_write_wakeup_bits = 28 * OUTPUT_POOL_WORDS;
* irreducible, which we have made here. * irreducible, which we have made here.
*/ */
static const struct poolinfo { static const struct poolinfo {
int poolbitshift, poolwords, poolbytes, poolbits, poolfracbits; int poolbitshift, poolwords, poolbytes, poolfracbits;
#define S(x) ilog2(x)+5, (x), (x)*4, (x)*32, (x) << (ENTROPY_SHIFT+5) #define S(x) ilog2(x)+5, (x), (x)*4, (x) << (ENTROPY_SHIFT+5)
int tap1, tap2, tap3, tap4, tap5; int tap1, tap2, tap3, tap4, tap5;
} poolinfo_table[] = { } poolinfo_table[] = {
/* was: x^128 + x^103 + x^76 + x^51 +x^25 + x + 1 */ /* was: x^128 + x^103 + x^76 + x^51 +x^25 + x + 1 */
......
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