rpma_mr_get_descriptor_size - get size of the memory region descriptor
#include <librpma.h>
struct rpma_mr_local;
int rpma_mr_get_descriptor_size(const struct rpma_mr_local *mr, size_t *desc_size);
rpma_mr_get_descriptor_size() gets size of the memory region descriptor.
The rpma_mr_get_descriptor_size() function returns 0 on success or a negative error code on failure. rpma_mr_get_descriptor_size() does not set *desc_size value on failure.
rpma_mr_get_descriptor_size() can fail with the following error:
rpma_mr_get_descriptor(3), rpma_mr_reg(3), librpma(7) and https://pmem.io/rpma/
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