diff mbox series

hibernate: pageoffline may be first judged

Message ID 5aac0c93-2723-2ca1-cbfa-98f88b0c900c@kylinos.cn (mailing list archive)
State New
Headers show
Series hibernate: pageoffline may be first judged | expand

Commit Message

lijun Feb. 10, 2025, 7:04 a.m. UTC 
From: Li Jun <lijun01@kylinos.cn>
Date: Mon, 10 Feb 2025 10:40:58 +0800
Subject: [PATCH] hibernate: pageoffline may be first judged

PageReserved and PageOffline should be first judged.

Signed-off-by: Li Jun <lijun01@kylinos.cn>
---
  kernel/power/snapshot.c | 10 +++++-----
  1 file changed, 5 insertions(+), 5 deletions(-)

     if (page_is_guard(page))
@@ -1387,9 +1387,6 @@ static struct page *saveable_page(struct zone 
*zone, unsigned long pfn)

     BUG_ON(PageHighMem(page));

-   if (swsusp_page_is_forbidden(page) || swsusp_page_is_free(page))
-       return NULL;
-
     if (PageOffline(page))
         return NULL;

@@ -1397,6 +1394,9 @@ static struct page *saveable_page(struct zone 
*zone, unsigned long pfn)
         && (!kernel_page_present(page) || pfn_is_nosave(pfn)))
         return NULL;

+   if (swsusp_page_is_forbidden(page) || swsusp_page_is_free(page))
+       return NULL;
+
     if (page_is_guard(page))
         return NULL;
diff mbox series

Patch

diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index c9fb559a6399..dfbccddb28f1 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -1328,10 +1328,10 @@  static struct page *saveable_highmem_page(struct 
zone *zone, unsigned long pfn)

     BUG_ON(!PageHighMem(page));

-   if (swsusp_page_is_forbidden(page) || swsusp_page_is_free(page))
+   if (PageReserved(page) || PageOffline(page))
         return NULL;

-   if (PageReserved(page) || PageOffline(page))
+   if (swsusp_page_is_forbidden(page) || swsusp_page_is_free(page))
         return NULL;