diff options
| author | Yuvraj Sakshith <yuvraj.sakshith@oss.qualcomm.com> | 2026-03-03 03:30:31 -0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-04-05 13:53:17 -0700 |
| commit | 5467c292d07ffcd55a7a66af2259855f49e1dd06 (patch) | |
| tree | 1c97453dbae4cdb0ee0a4e562cd9bf7e0f28d91b /include/linux | |
| parent | fd4bf4f2875a8d0cf3245da670a097fd0259c183 (diff) | |
mm/page_reporting: change PAGE_REPORTING_ORDER_UNSPECIFIED to -1
PAGE_REPORTING_ORDER_UNSPECIFIED is now set to zero. This means, pages of
order zero cannot be reported to a client/driver -- as zero is used to
signal a fallback to MAX_PAGE_ORDER.
Change PAGE_REPORTING_ORDER_UNSPECIFIED to (-1), so that zero can be used
as a valid order with which pages can be reported.
Link: https://lkml.kernel.org/r/20260303113032.3008371-5-yuvraj.sakshith@oss.qualcomm.com
Signed-off-by: Yuvraj Sakshith <yuvraj.sakshith@oss.qualcomm.com>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Cc: Brendan Jackman <jackmanb@google.com>
Cc: Dexuan Cui <decui@microsoft.com>
Cc: Eugenio Pérez <eperezma@redhat.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Long Li <longli@microsoft.com>
Cc: Lorenzo Stoakes (Oracle) <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Wei Liu <wei.liu@kernel.org>
Cc: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/page_reporting.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/page_reporting.h b/include/linux/page_reporting.h index d1886c657285..9d4ca5c218a0 100644 --- a/include/linux/page_reporting.h +++ b/include/linux/page_reporting.h @@ -7,7 +7,7 @@ /* This value should always be a power of 2, see page_reporting_cycle() */ #define PAGE_REPORTING_CAPACITY 32 -#define PAGE_REPORTING_ORDER_UNSPECIFIED 0 +#define PAGE_REPORTING_ORDER_UNSPECIFIED -1 struct page_reporting_dev_info { /* function that alters pages to make them "reported" */ |