Hi,
在 2024/12/10 2:05, Bart Van Assche 写道:
On 12/9/24 7:55 PM, Yu Kuai wrote:
-/**
- * sbitmap_get_shallow() - Try to allocate a free bit from a &struct
sbitmap,
- * limiting the depth used from each word.
- * @sb: Bitmap to allocate from.
- * @shallow_depth: The maximum number of bits to allocate from a
single word.
- *
- * This rather specific operation allows for having multiple users with
- * different allocation limits. E.g., there can be a high-priority
class that
- * uses sbitmap_get() and a low-priority class that uses
sbitmap_get_shallow()
- * with a @shallow_depth of (1 << (@sb->shift - 1)). Then, the
low-priority
- * class can only allocate half of the total bits in the bitmap,
preventing it
- * from starving out the high-priority class.
- *
- * Return: Non-negative allocated bit number if successful, -1
otherwise.
- */
-int sbitmap_get_shallow(struct sbitmap *sb, unsigned long
shallow_depth);
Please retain the above comment block by moving it into lib/sbitmap.c.
Since the comment must be updated after patch 3, I'll apply the last
patch and update comment first, and do this cleanup at last.
Thanks,
Kuai
Thanks,
Bart.
.
