From: Ye Liu <ye.liu@linux.dev>
To: Matthew Wilcox <willy@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH v2 5/6] show_page_info: Remove printing of page index
Date: Sat, 13 Jun 2026 12:16:38 +0800 [thread overview]
Message-ID: <661b47de-af1a-488f-a691-82df7add1f49@linux.dev> (raw)
In-Reply-To: <aizL_QrL4dNWMJ8Y@casper.infradead.org>
在 2026/6/13 11:18, Matthew Wilcox 写道:
> On Sat, Jun 13, 2026 at 11:02:06AM +0800, Ye Liu wrote:
>> 在 2026/6/11 04:02, Matthew Wilcox 写道:
>>> Thanks, but could you explain why you don't just call dump_page()?
>>> It's more comprehensive and will continue to be maintained.
>>
>> This script is based on the drgn tool, but the drgn tool does not
>> have a dump_page helper. What kind of method do you mean by
>> directly calling it?
>
> void dump_page(const struct page *page, const char *reason)
>
> in mm/debug.c
I’m aware of this kernel function, but could you please clarify
how to call it from a user program?
Or how to achieve the direct call you mentioned?
--
Thanks,
Ye Liu
next prev parent reply other threads:[~2026-06-13 4:17 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-08 21:06 [PATCH v2 0/6] Remove __folio_index again Matthew Wilcox (Oracle)
2026-06-08 21:06 ` [PATCH v2 1/6] ntfs: Inline zero_partial_compressed_page() Matthew Wilcox (Oracle)
2026-06-09 0:18 ` Hyunchul Lee
2026-06-08 21:06 ` [PATCH v2 2/6] ntfs: Remove use of __folio_index in handle_bounds_compressed_page() Matthew Wilcox (Oracle)
2026-06-09 0:19 ` Hyunchul Lee
2026-06-09 13:17 ` Usama Arif
2026-06-09 14:34 ` Matthew Wilcox
2026-06-09 15:55 ` Usama Arif
2026-06-13 7:06 ` Lance Yang
2026-06-08 21:06 ` [PATCH v2 3/6] ntfs: Use zero_user_segment() " Matthew Wilcox (Oracle)
2026-06-09 0:20 ` Hyunchul Lee
2026-06-09 13:07 ` Usama Arif
2026-06-13 9:41 ` Lance Yang
2026-06-08 21:06 ` [PATCH v2 4/6] ntfs: Remove references to page->__folio_index Matthew Wilcox (Oracle)
2026-06-09 0:22 ` Hyunchul Lee
2026-06-08 21:06 ` [PATCH v2 5/6] show_page_info: Remove printing of page index Matthew Wilcox (Oracle)
2026-06-09 11:59 ` Ye Liu
2026-06-10 20:02 ` Matthew Wilcox
2026-06-13 3:02 ` Ye Liu
2026-06-13 3:18 ` Matthew Wilcox
2026-06-13 4:16 ` Ye Liu [this message]
2026-06-13 16:15 ` Matthew Wilcox
2026-06-09 18:44 ` David Hildenbrand (Arm)
2026-06-10 8:23 ` Vishal Moola
2026-06-08 21:06 ` [PATCH v2 6/6] mm: Remove __folio_index Matthew Wilcox (Oracle)
2026-06-09 18:43 ` David Hildenbrand (Arm)
2026-06-10 8:24 ` Vishal Moola
2026-06-09 5:06 ` [PATCH v2 0/6] Remove __folio_index again Namjae Jeon
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