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-rw-r--r--include/asm-mips/mach-generic/kmalloc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-mips/mach-generic/kmalloc.h b/include/asm-mips/mach-generic/kmalloc.h
index 410ab5f6c56..b8e6deba352 100644
--- a/include/asm-mips/mach-generic/kmalloc.h
+++ b/include/asm-mips/mach-generic/kmalloc.h
@@ -5,6 +5,7 @@
#ifndef CONFIG_DMA_COHERENT
/*
* Total overkill for most systems but need as a safe default.
+ * Set this one if any device in the system might do non-coherent DMA.
*/
#define ARCH_KMALLOC_MINALIGN 128
#endif