DOKK / manpages / debian 12 / librpma-dev / rpma_mr_get_size.3.en
rpma_mr_get_size(3) RPMA Programmer's Manual rpma_mr_get_size(3)

rpma_mr_get_size - get the size of the local memory region


#include <librpma.h>
struct rpma_mr_local;
int rpma_mr_get_size(const struct rpma_mr_local *mr, size_t *size);

rpma_mr_get_size() gets a memory region size from the local memory registration object.

The rpma_mr_get_size() function returns 0 on success or a negative error code on failure. rpma_mr_get_size() does not set *size value on failure.

rpma_mr_get_size() can fail with the following error:

RPMA_E_INVAL - mr or size is NULL

rpma_mr_reg(3), librpma(7) and https://pmem.io/rpma/

10 January 2023 RPMA