Re: [PATCH v3] mm: vmscan: rework lru_shrink and write_folio tracepoints
From: Matthew Wilcox <willy@infradead.org>
Date: 2026-09-14 13:12:16
Also in:
linux-mm
On Mon, Sep 14, 2026 at 07:24:37AM +0000, qiwu.chen(陈启武) wrote:
- TP_printk("page=%p pfn=0x%lx flags=%s",
- pfn_to_page(__entry->pfn),
- __entry->pfn,
- show_reclaim_flags(__entry->reclaim_flags))
+ TP_printk("folio=%p lru=%s",
+ __entry->folio,
+ __print_symbolic(__entry->lru, LRU_NAMES))
);Why is it useful to print out the folio pointer? Printing out the PFN made more sense to me.