Why the field 'depth use different data types in sbitmap and sbitmap_word

[Wang Sheng-Hui <shhuiw@xxxxxxxxxxx>]

Hi,

Sorry to trouble you.

I have one question about the define of struct sbitmap & sbitmap_word:
      In sbitmap_word, the field depth is 'unsigned long', but in sbitmap, the field depth is 'unsigned int'.
      Why they use different data types?

Regards,
shenghui
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