PTR_ALIGN
The AdvanSys driver wants to align some pointers, and the ALIGN macro doesn't work for pointers. Rather than try to make it work, add a new PTR_ALIGN macro which is typesafe. Signed-off-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -34,6 +34,7 @@ extern const char linux_proc_banner[];
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#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
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#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
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#define PTR_ALIGN(p, a) ((typeof(p))ALIGN((unsigned long)(p), (a)))
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#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
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