diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-16 11:57:53 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-16 11:57:53 +0100 |
| commit | a47b66da0380dd1ebcf2fbfa5fc41c4b6af8a460 (patch) | |
| tree | 3e1e18183f2041d534a1a763af95df1ec460e044 /mm/slab.c | |
| parent | 1129d270cbfbb7e2b1ec3dede4a13930bdd10e41 (diff) | |
| parent | 49def1853334396f948dcb4cedb9347abb318df5 (diff) | |
Merge 4.10-rc4 into usb-next
We need the USB fixes in here to make merges easier/possible with the
other sub-maintainer USB trees.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/slab.c b/mm/slab.c index 29bc6c0dedd0..4f2ec6bb46eb 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2457,7 +2457,6 @@ union freelist_init_state { unsigned int pos; unsigned int *list; unsigned int count; - unsigned int rand; }; struct rnd_state rnd_state; }; @@ -2483,8 +2482,7 @@ static bool freelist_state_initialize(union freelist_init_state *state, } else { state->list = cachep->random_seq; state->count = count; - state->pos = 0; - state->rand = rand; + state->pos = rand % count; ret = true; } return ret; @@ -2493,7 +2491,9 @@ static bool freelist_state_initialize(union freelist_init_state *state, /* Get the next entry on the list and randomize it using a random shift */ static freelist_idx_t next_random_slot(union freelist_init_state *state) { - return (state->list[state->pos++] + state->rand) % state->count; + if (state->pos >= state->count) + state->pos = 0; + return state->list[state->pos++]; } /* Swap two freelist entries */ |