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SubjectRe: lots of code could be simplified by using ARRAY_SIZE()

>>> Indeed, there seems to be lots of potential clean-up there.
>>> Including duplicate macros like:
>>> ./drivers/ide/ide-cd.h:#define ARY_LEN(a) ((sizeof(a) / sizeof(a[0])))
>> not surprisingly, i have a script "":
>This could also come in the flavor "sizeof(a) / sizeof(*a)".
>I haven't checked if there are actual instances.

Even sizeof a / sizeof *a

may happen.

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