Messages in this thread Patch in this message | | | Date | Fri, 3 Feb 2023 16:22:14 +0000 | From | Matthew Wilcox <> | Subject | Re: [RFC PATCH v1 1/2] mm: vmscan: refactor updating reclaimed pages in reclaim_state |
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On Thu, Feb 02, 2023 at 11:32:28PM +0000, Yosry Ahmed wrote: > diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c > index 54c774af6e1c..060079f1e966 100644 > --- a/fs/xfs/xfs_buf.c > +++ b/fs/xfs/xfs_buf.c > @@ -286,8 +286,7 @@ xfs_buf_free_pages( > if (bp->b_pages[i]) > __free_page(bp->b_pages[i]); > } > - if (current->reclaim_state) > - current->reclaim_state->reclaimed_slab += bp->b_page_count; > + report_freed_pages(bp->b_page_count);
XFS can be built as a module
> +++ b/mm/vmscan.c > @@ -204,6 +204,19 @@ static void set_task_reclaim_state(struct task_struct *task, > task->reclaim_state = rs; > } > > +/* > + * reclaim_report_freed_pages: report pages freed outside of LRU-based reclaim > + * @pages: number of pages freed > + * > + * If the current process is undergoing a reclaim operation, > + * increment the number of reclaimed pages by @pages. > + */ > +void report_freed_pages(unsigned long pages) > +{ > + if (current->reclaim_state) > + current->reclaim_state->reclaimed += pages; > +} > +
report_free_pages is not EXPORT_SYMBOLed
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