swiotlb: update format
Documentation/kernel-parameters.txt doesn't contain up-to-date
documentation regarding swiotlb= parameter. Update it.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 50680a5..5577634 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -3061,7 +3061,11 @@
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]