This is a note to let you know that I've just added the patch titled mm/migrate.c: stop using 0 as NULL pointer to the 6.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: mm-migrate.c-stop-using-0-as-null-pointer.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit d6819b70b7c23771f73c3c02e6128860b55539bb Author: Yang Li <yang.lee@xxxxxxxxxxxxxxxxx> Date: Wed Nov 16 09:23:45 2022 +0800 mm/migrate.c: stop using 0 as NULL pointer [ Upstream commit 4c74b65f478dc9353780a6be17fc82f1b06cea80 ] mm/migrate.c:1198:24: warning: Using plain integer as NULL pointer Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3080 Link: https://lkml.kernel.org/r/20221116012345.84870-1-yang.lee@xxxxxxxxxxxxxxxxx Signed-off-by: Yang Li <yang.lee@xxxxxxxxxxxxxxxxx> Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Stable-dep-of: 35e41024c4c2 ("vmscan,migrate: fix page count imbalance on node stats when demoting pages") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/mm/migrate.c b/mm/migrate.c index 562f819dc6189..81444abf54dba 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1192,7 +1192,7 @@ static int unmap_and_move(new_page_t get_new_page, return -ENOMEM; dst = page_folio(newpage); - dst->private = 0; + dst->private = NULL; rc = __unmap_and_move(src, dst, force, mode); if (rc == MIGRATEPAGE_SUCCESS) set_page_owner_migrate_reason(&dst->page, reason);