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7a6387dec8
plat_dat->dma_cfg is unconditionally required for the operation of the driver, so it would make sense to allocate it along with the plat_dat. On Arm64, sizeof(*plat_dat) has recently shrunk from 880 to 816 bytes and sizeof(*plat_dat->dma_cfg) has shrunk from 32 to 20 bytes. Given that dma_cfg is required, and it is now less than a cache line, It doesn't make sense to allocate this separateny, so place it at the end of struct plat_stmmacenet_data, and set plat_dat->dma_cfg to point at that to avoid mass changes. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Reviewed-by: Mohd Ayaan Anwar <mohd.anwar@oss.qualcomm.com> Tested-by: Mohd Ayaan Anwar <mohd.anwar@oss.qualcomm.com> Link: https://patch.msgid.link/E1vzX54-0000000CVrw-2jfu@rmk-PC.armlinux.org.uk Signed-off-by: Jakub Kicinski <kuba@kernel.org>