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-rw-r--r--Documentation/kernel-parameters.txt6
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 50680a59a2ff..557763487a1a 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -3061,7 +3061,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
controller if no parameter or 1 is given or disable
it if 0 is given (See Documentation/cgroups/memory.txt)
- swiotlb= [IA-64] Number of I/O TLB slabs
+ swiotlb= [ARM,IA-64,PPC,MIPS,X86]
+ Format: { <int> | force }
+ <int> -- Number of I/O TLB slabs
+ force -- force using of bounce buffers even if they
+ wouldn't be automatically used by the kernel
switches= [HW,M68k]