diff options
Diffstat (limited to 'drivers/staging/zcache/zcache-main.c')
| -rw-r--r-- | drivers/staging/zcache/zcache-main.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c index dae2f4ee06a6..22b0a7506496 100644 --- a/drivers/staging/zcache/zcache-main.c +++ b/drivers/staging/zcache/zcache-main.c @@ -1804,8 +1804,10 @@ static int zcache_frontswap_poolid = -1; /* * Swizzling increases objects per swaptype, increasing tmem concurrency * for heavy swaploads. Later, larger nr_cpus -> larger SWIZ_BITS + * Setting SWIZ_BITS to 27 basically reconstructs the swap entry from + * frontswap_get_page() */ -#define SWIZ_BITS 4 +#define SWIZ_BITS 27 #define SWIZ_MASK ((1 << SWIZ_BITS) - 1) #define _oswiz(_type, _ind) ((_type << SWIZ_BITS) | (_ind & SWIZ_MASK)) #define iswiz(_ind) (_ind >> SWIZ_BITS) |