[PATCH] crc32: Add help text for the algorithm select option

[Darrick J. Wong]

Add help text to the crc32 algorithm selection option in Kconfig.

Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---

 lib/Kconfig |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/lib/Kconfig b/lib/Kconfig
index 43359bb..403dc13 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -84,6 +84,10 @@ choice
 	prompt "CRC32 implementation"
 	depends on CRC32
 	default CRC32_SLICEBY8
+	help
+	  This option allows a kernel builder to override the default choice
+	  of CRC32 algorithm.  Choose the default ("slice by 8") unless you
+	  know that you need one of the others.
 
 config CRC32_SLICEBY8
 	bool "Slice by 8 bytes"

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