lkml.org 
[lkml]   [2016]   [Nov]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: mm: BUG in pgtable_pmd_page_dtor
From
Date


On 11/25/2016 11:42 AM, Vlastimil Babka wrote:

> pr_emerg("page:%p count:%d mapcount:%d mapping:%p index:%#lx",
> page, page_ref_count(page), mapcount,
> @@ -59,6 +61,21 @@ void __dump_page(struct page *page, const char *reason)
>
> pr_emerg("flags: %#lx(%pGp)\n", page->flags, &page->flags);
>
> + pr_alert("raw struct page data:");
> + for (i = 0; i < sizeof(struct page) / sizeof(unsigned long); i++) {
> + unsigned long *word_ptr;
> +
> + word_ptr = ((unsigned long *) page) + i;
> +
> + if ((i % words_per_line) == 0) {
> + pr_cont("\n");
> + pr_alert(" %016lx", *word_ptr);
> + } else {
> + pr_cont(" %016lx", *word_ptr);
> + }
> + }
> + pr_cont("\n");
> +

Single call to print_hex_dump() could replace this loop.

> if (reason)
> pr_alert("page dumped because: %s\n", reason);
>
>

\
 
 \ /
  Last update: 2016-11-25 12:42    [W:0.100 / U:0.360 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site