diff options
Diffstat (limited to 'include/linux/poison.h')
| -rw-r--r-- | include/linux/poison.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/poison.h b/include/linux/poison.h index 331a9a996fa8..299e2dd7da6d 100644 --- a/include/linux/poison.h +++ b/include/linux/poison.h @@ -70,6 +70,10 @@ #define KEY_DESTROY 0xbd /********** net/core/page_pool.c **********/ +/* + * page_pool uses additional free bits within this value to store data, see the + * definition of PP_DMA_INDEX_MASK in mm.h + */ #define PP_SIGNATURE (0x40 + POISON_POINTER_DELTA) /********** net/core/skbuff.c **********/ @@ -86,4 +90,7 @@ /********** lib/stackdepot.c **********/ #define STACK_DEPOT_POISON ((void *)(0xD390 + POISON_POINTER_DELTA)) +/********** io_uring/ **********/ +#define IO_URING_PTR_POISON ((void *)(0x1091UL + POISON_POINTER_DELTA)) + #endif |