Before this commit system call memalign was used for aligned
allocations, however memalign is deprecated.
Based on (1) - POSIX requires that memory aligned allocations can be
freed using free. Some systems provide no way to reclaim memory
allocated with memalign (because one can only pass to free a pointer
gotten from malloc, while, memalign would call malloc and then align the
obtained value).
Another issue is that 64/32 bits architectures use a minimal alignment
size. So any requested alignment below the minimal system size can be
simplified by calling malloc.
The glibc implementation allows memory obtained from posix_memalign to
be reclaimed with free. This commit replaces system call memalign with
system call posix_memalign. It also calls malloc in case the requested
alignment is below the minimal system size.
(1) https://linux.die.net/man/3/memalign
Fixes: d38e3d526657 ("common/mlx5: add memory management functions")
Cc: stable@dpdk.org
Signed-off-by: Ophir Munk <ophirmu@nvidia.com>
Acked-by: Matan Azrad <matan@mellanox.com>
Add the internal mlx5 memory management functions:
mlx5_malloc_mem_select();
mlx5_memory_stat_dump();
mlx5_rellaocate();
mlx5_malloc();
mlx5_free();
User will be allowed to manage memory from system or from rte memory
with the unified functions.
In this case, for the system with limited memory which can not reserve
lots of rte hugepage memory in advanced, will allocate the memory from
system for some of not so important control path objects based on the
sys_mem_en configuration.
Signed-off-by: Suanming Mou <suanmingm@mellanox.com>
Acked-by: Matan Azrad <matan@mellanox.com>
