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Diffstat (limited to 'Documentation/process/deprecated.rst')
| -rw-r--r-- | Documentation/process/deprecated.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/process/deprecated.rst b/Documentation/process/deprecated.rst index 91c628fa2d59..fed56864d036 100644 --- a/Documentation/process/deprecated.rst +++ b/Documentation/process/deprecated.rst @@ -387,6 +387,7 @@ allocations. For example, these open coded assignments:: ptr = kzalloc(sizeof(*ptr), gfp); ptr = kmalloc_array(count, sizeof(*ptr), gfp); ptr = kcalloc(count, sizeof(*ptr), gfp); + ptr = kmalloc(struct_size(ptr, flex_member, count), gfp); ptr = kmalloc(sizeof(struct foo, gfp); become, respectively:: @@ -395,4 +396,10 @@ become, respectively:: ptr = kzalloc_obj(*ptr, gfp); ptr = kmalloc_objs(*ptr, count, gfp); ptr = kzalloc_objs(*ptr, count, gfp); + ptr = kmalloc_flex(*ptr, flex_member, count, gfp); __auto_type ptr = kmalloc_obj(struct foo, gfp); + +If `ptr->flex_member` is annotated with __counted_by(), the allocation +will automatically fail if `count` is larger than the maximum +representable value that can be stored in the counter member associated +with `flex_member`. |