reallocate_resource (9) Linux Manual Page
reallocate_resource – allocate a slot in the resource tree given range & alignment. The resource will be relocated if the new size cannot be reallocated in the current location.
Synopsis
int reallocate_resource(struct resource *root, struct resource *old, resource_size_t newsize, struct resource_constraint *constraint);Arguments
root
-
- root resource descriptor
old
- resource descriptor desired by caller
newsize
- new size of the resource descriptor
constraint
- the size and alignment constraints to be met.