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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-07-01 13:55:39 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-07-01 13:55:39 +0200
commit19ed3bb5587b30ace275cb604fb2b9c60dc49de0 (patch)
treee44bf7a63c6df69dacd4ee4501a97618daa5c013 /mm/page_table_check.c
parent783100f6ea0ae74a4ff3d616d4bce3b54badf347 (diff)
parent22a40d14b572deb80c0648557f4bd502d7e83826 (diff)
Merge 6.10-rc6 into char-misc-next
We need the char/misc/iio fixes in here as well to build on top of. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/page_table_check.c')
-rw-r--r--mm/page_table_check.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/mm/page_table_check.c b/mm/page_table_check.c
index 4169576bed72..509c6ef8de40 100644
--- a/mm/page_table_check.c
+++ b/mm/page_table_check.c
@@ -73,6 +73,9 @@ static void page_table_check_clear(unsigned long pfn, unsigned long pgcnt)
page = pfn_to_page(pfn);
page_ext = page_ext_get(page);
+ if (!page_ext)
+ return;
+
BUG_ON(PageSlab(page));
anon = PageAnon(page);
@@ -110,6 +113,9 @@ static void page_table_check_set(unsigned long pfn, unsigned long pgcnt,
page = pfn_to_page(pfn);
page_ext = page_ext_get(page);
+ if (!page_ext)
+ return;
+
BUG_ON(PageSlab(page));
anon = PageAnon(page);
@@ -140,7 +146,10 @@ void __page_table_check_zero(struct page *page, unsigned int order)
BUG_ON(PageSlab(page));
page_ext = page_ext_get(page);
- BUG_ON(!page_ext);
+
+ if (!page_ext)
+ return;
+
for (i = 0; i < (1ul << order); i++) {
struct page_table_check *ptc = get_page_table_check(page_ext);