lkml.org 
[lkml]   [2024]   [May]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [RFC PATCH v4 1/5] mm: make alloc_demote_folio externally invokable for migration
Date
On Sun, 12 May 2024 10:54:43 -0700 SeongJae Park <sj@kernel.org> wrote:
> From: Honggyu Kim <honggyu.kim@sk.com>
>
> The alloc_demote_folio can be used out of vmscan.c so it'd be better to
> remove static keyword from it.
>
> This function can also be used for both demotion and promotion so it'd
> be better to rename it from alloc_demote_folio to alloc_migrate_folio.

This description doesn't match with the changes below.

> Signed-off-by: Honggyu Kim <honggyu.kim@sk.com>
> Reviewed-by: SeongJae Park <sj@kernel.org>
> Signed-off-by: SeongJae Park <sj@kernel.org>
> ---
> mm/internal.h | 1 +
> mm/vmscan.c | 3 +--
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/internal.h b/mm/internal.h
> index b2c75b12014e..b3ca996a4efc 100644
> --- a/mm/internal.h
> +++ b/mm/internal.h
> @@ -1052,6 +1052,7 @@ extern unsigned long __must_check vm_mmap_pgoff(struct file *, unsigned long,
> unsigned long, unsigned long);
>
> extern void set_pageblock_order(void);
> +struct folio *alloc_demote_folio(struct folio *src, unsigned long private);

I still prefer to rename it to alloc_migrate_folio.

> unsigned long reclaim_pages(struct list_head *folio_list);
> unsigned int reclaim_clean_pages_from_list(struct zone *zone,
> struct list_head *folio_list);
> diff --git a/mm/vmscan.c b/mm/vmscan.c
> index 6981a71c8ef0..27269bc2bcc5 100644
> --- a/mm/vmscan.c
> +++ b/mm/vmscan.c
> @@ -933,8 +933,7 @@ static void folio_check_dirty_writeback(struct folio *folio,
> mapping->a_ops->is_dirty_writeback(folio, dirty, writeback);
> }
>
> -static struct folio *alloc_demote_folio(struct folio *src,
> - unsigned long private)
> +struct folio *alloc_demote_folio(struct folio *src, unsigned long private)

Here as well.

> {
> struct folio *dst;
> nodemask_t *allowed_mask;
> --
> 2.39.2
>

Thanks,
Honggyu

\
 
 \ /
  Last update: 2024-05-13 14:04    [W:2.015 / U:0.948 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site