ALLOCATE_RESOURCE(9) Hardware Interfaces ALLOCATE_RESOURCE(9)
NAME allocate_resource - allocate empty slot in the resource tree given range & alignment. The resource will be reallocated with a new size if it was already allocated
SYNOPSIS int allocate_resource(struct resource * root, struct resource * new, resource_size_t size, resource_size_t min, resource_size_t max, resource_size_t align, void (*alignf) (void *, struct resource *, resource_size_t, resource_size_t), void * alignf_data);
ARGUMENTS root root resource descriptor
new resource descriptor desired by caller
size requested resource region size
min minimum boundary to allocate
max maximum boundary to allocate
align alignment requested, in bytes
alignf alignment function, optional, called if not NULL
alignf_data arbitrary data to pass to the alignf function
COPYRIGHT Kernel Hackers Manual 2.6. July 2015 ALLOCATE_RESOURCE(9)