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)