Re: [PATCH] MIPS: ralink: reduce ARCH_DMA_MINALIGN

[Thomas Bogendoerfer]

On Tue, Apr 28, 2026 at 04:25:40PM +0800, Qingfang Deng wrote:
> Currently, Ralink SoCs use the default ARCH_DMA_MINALIGN value of 128
> bytes defined in mach-generic. This is excessive for these platforms
> and leads to significant memory waste in kmalloc.
> 
> Override ARCH_DMA_MINALIGN to use L1_CACHE_BYTES, which is 16 bytes for
> RT288X and 32 bytes for other Ralink SoCs.
> 
> Signed-off-by: Qingfang Deng <qingfang.deng@xxxxxxxxx>
> ---
>  arch/mips/include/asm/mach-ralink/kmalloc.h | 9 +++++++++
>  1 file changed, 9 insertions(+)
>  create mode 100644 arch/mips/include/asm/mach-ralink/kmalloc.h

applied to mips-next

Thomas.

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