centos man page for reallocate_resource

REALLOCATE_RESOURCE(9)						Hardware Interfaces					    REALLOCATE_RESOURCE(9)

NAME
       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.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						    REALLOCATE_RESOURCE(9)