On Tue, Apr 16, 2024 at 1:52 PM Matthew Wilcox <willy@infradead.org> wrote:
On Tue, Apr 16, 2024 at 08:13:35PM +0000, Sourav Panda wrote:
> +++ b/include/linux/mmzone.h
> @@ -217,6 +217,10 @@ enum node_stat_item {
>       PGDEMOTE_KSWAPD,
>       PGDEMOTE_DIRECT,
>       PGDEMOTE_KHUGEPAGED,
> +     NR_MEMMAP,              /* Page metadata size (struct page and page_ext)
> +                              * in pages
> +                              */

This is not how we write comments in the kernel ...

Thank you Matthew Wilcox for the review. I made a bad choice of copying the comments for NR_FILE_MAPPED. I shall add the comment to the top of the item, similar to what is done in PGDEMOTE_KSWAPD. Thanks again!