1ALLOCATE_RESOURCE(9)          Hardware Interfaces         ALLOCATE_RESOURCE(9)
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NAME

6       allocate_resource - allocate empty slot in the resource tree given
7       range & alignment. The resource will be reallocated with a new size if
8       it was already allocated
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SYNOPSIS

11       int allocate_resource(struct resource * root, struct resource * new,
12                             resource_size_t size, resource_size_t min,
13                             resource_size_t max, resource_size_t align,
14                             resource_size_t (*alignf) (void *, const struct resource *, resource_size_t, resource_size_t),
15                             void * alignf_data);
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ARGUMENTS

18       root
19           root resource descriptor
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21       new
22           resource descriptor desired by caller
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24       size
25           requested resource region size
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27       min
28           minimum boundary to allocate
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30       max
31           maximum boundary to allocate
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33       align
34           alignment requested, in bytes
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36       alignf
37           alignment function, optional, called if not NULL
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39       alignf_data
40           arbitrary data to pass to the alignf function
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43Kernel Hackers Manual 3.10         June 2019              ALLOCATE_RESOURCE(9)
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