45d9550a0e
When a work item is off-queue, its work->data contains WORK_STRUCT_* and WORK_OFFQ_* flags. As WORK_OFFQ_* flags are used only while a work item is off-queue, it can occupy bits of work->data which aren't used while off-queue. WORK_OFFQ_* currently only use bits used by on-queue CWQ pointer. As color bits aren't used while off-queue, there's no reason to not use them. Lower WORK_OFFQ_FLAG_BASE from WORK_STRUCT_FLAG_BITS to WORK_STRUCT_COLOR_SHIFT thus giving 4 more bits to off-queue flag space which is also used to record worker_pool ID while off-queue. This doesn't introduce any visible behavior difference. tj: Rewrote the description. Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Tejun Heo <tj@kernel.org> |
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| acpi | ||
| asm-generic | ||
| clocksource | ||
| crypto | ||
| drm | ||
| keys | ||
| linux | ||
| math-emu | ||
| media | ||
| memory | ||
| misc | ||
| net | ||
| pcmcia | ||
| ras | ||
| rdma | ||
| rxrpc | ||
| scsi | ||
| sound | ||
| target | ||
| trace | ||
| uapi | ||
| video | ||
| xen | ||
| Kbuild | ||