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SubjectRe: [PATCH 05/10] writeback: support > 1 flusher thread per bdi
Jens Axboe wrote:
> +static struct bdi_work *bdi_alloc_work(struct super_block *sb, long nr_pages,
> + enum writeback_sync_modes sync_mode)
> +{
> + struct bdi_work *work;
> +
> + work = kmalloc(sizeof(*work), GFP_ATOMIC);
> + if (work)
> + bdi_work_init(work, sb, nr_pages, sync_mode);
>
> - wb_start_writeback(&bdi->wb, sb, nr_pages, sync_mode);
> + return work;
> +}

Since the caller of this function handles kmalloc failure gracefully,
should we also pass __GFP_NOWARN flag to kmalloc() here, in order to
avoid large and scary no-memory complaints?

--
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
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