在 2023/7/30 19:18, Matthew Wilcox 写道:
On Sun, Jul 30, 2023 at 07:01:26PM +0800, Zhu Yanjun wrote:Does the following function have folio version? " int sg_alloc_append_table_from_pages(struct sg_append_table *sgt_append, struct page **pages, unsigned int n_pages, unsigned int offset, unsigned long size, unsigned int max_segment, unsigned int left_pages, gfp_t gfp_mask) "No -- I haven't needed to convert anything that uses sg_alloc_append_table_from_pages() yet. It doesn't look like it should be _too_ hard to add a folio version.
In many places, this function is used. So this function needs the folio version.
Another problem, after folio is used, I want to know the performance after folio is implemented.
How to make tests to get the performance? Thanks a lot. Zhu Yanjun
