wb_init() currently always uses GFP_KERNEL but the planned cgroup
writeback support needs using other allocation masks. Add @gfp to
wb_init().
This patch doesn't introduce any behavior changes.
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Reviewed-by: Jan Kara <jack@xxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
---
mm/backing-dev.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index b0707d1..805b287 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -291,7 +291,8 @@ void wb_wakeup_delayed(struct bdi_writeback *wb)
*/
#define INIT_BW (100 << (20 - PAGE_SHIFT))
-static int wb_init(struct bdi_writeback *wb, struct backing_dev_info *bdi)
+static int wb_init(struct bdi_writeback *wb, struct backing_dev_info *bdi,
+ gfp_t gfp)
{
int i, err;
@@ -315,12 +316,12 @@ static int wb_init(struct bdi_writeback *wb, struct backing_dev_info *bdi)
INIT_LIST_HEAD(&wb->work_list);
INIT_DELAYED_WORK(&wb->dwork, wb_workfn);
- err = fprop_local_init_percpu(&wb->completions, GFP_KERNEL);
+ err = fprop_local_init_percpu(&wb->completions, gfp);
if (err)
return err;
for (i = 0; i < NR_WB_STAT_ITEMS; i++) {
- err = percpu_counter_init(&wb->stat[i], 0, GFP_KERNEL);
+ err = percpu_counter_init(&wb->stat[i], 0, gfp);
if (err) {
while (--i)
percpu_counter_destroy(&wb->stat[i]);
@@ -378,7 +379,7 @@ int bdi_init(struct backing_dev_info *bdi)
bdi->max_prop_frac = FPROP_FRAC_BASE;
INIT_LIST_HEAD(&bdi->bdi_list);
- err = wb_init(&bdi->wb, bdi);
+ err = wb_init(&bdi->wb, bdi, GFP_KERNEL);
if (err)
return err;
--
2.4.0
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