kernel.h: Add DIV_ROUND_UP_ULL and DIV_ROUND_UP_SECTOR_T macro usage
Add new DIV_ROUND_UP_SECTOR_T macro usage for 32-bit architectures requiring a new DIV_ROUND_UP_ULL, and existing 64-bit usage with DIV_ROUND_UP. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Reported-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
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@ -56,6 +56,14 @@
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#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
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#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
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#define DIV_ROUND_UP_ULL(ll,d) \
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({ unsigned long long _tmp = (ll)+(d)-1; do_div(_tmp, d); _tmp; })
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#if BITS_PER_LONG == 32
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# define DIV_ROUND_UP_SECTOR_T(ll,d) DIV_ROUND_UP_ULL(ll, d)
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#else
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# define DIV_ROUND_UP_SECTOR_T(ll,d) DIV_ROUND_UP(ll,d)
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#endif
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/* The `const' in roundup() prevents gcc-3.3 from calling __divdi3 */
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#define roundup(x, y) ( \
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