2016年9月7日 · I am using the SCM-i.MX 6Quad (imx6dqscm-1gb-qwks board), I am trying to increase the CMA (Contiguous Memory Allocator) from the default of 320 to something bigger, say CONFIG_CMA_SIZE_MBYTES=640. To to this, I did the following: 1. In the .config (menuconfig) changed the CONFIG_CMA_SIZE_MBYTES=350 to CONFIG_CMA_SIZE_MBYTES=640

2022年2月6日 · To get rid of CMA, the basic idea is to cut off the CMA way in the DMA allocation, turn to coherent pool (atomic pool). Please not that coherent pool can only be used by DMA allocation API, it's not shared to system buddy.

2023年10月2日 · How do I increase CMA memory size in imx8mp yocto BSP/device tree? I have currently 640MiB allocated and I want to increase it as can be seen here: ~# dmesg | grep -i cma

2015年10月23日 · We have a embedded linux system (yocto 1.8) running on a i.MX6 board with 1GByte of RAM. The kernel is configured to have 320MByte of CMA reserved and no swap. Kernel 3.10.53.

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2019年7月4日 · Dear community, we already had a similar problem on colibri-imx6 reported here and as suggested from @stefan.tx setting the CMA to 32 in the kernel solves our problem.

Hapag-Lloyd will be offering IOS and IO3 as direct services between North Europe and Middle East – ISC. This new setup will be ensured through a Vessel Sharing Agreement comprising following partners: Hapag-Lloyd, CMA CGM, COSCO and ONE.

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2020年2月28日 · It is possible to reserve cma memory by using the CONFIG_CMA_SIZE_MBYTES in the kernel, as mentioned here: How does imx6qp increase cma memory. However, it is also possible to configure it in the device tree, as mentioned here: Custom CMA reserved memory on i.MX8MM mini. Question 1:

2020年12月16日 · Furthermore, CMA CGM, COSCO and Hapag-Lloyd will run another two services in the region, Gulf East Mediterranean Service (GEM) and Indian Subcontinent Mediterranean Express (IMX) services.