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author | Thanos Makatos <thanos.makatos@nutanix.com> | 2020-10-29 17:54:16 -0400 |
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committer | Thanos Makatos <thanos.makatos@nutanix.com> | 2020-10-29 17:54:16 -0400 |
commit | b08d346fbfbdd8d4a6324b404d48472e931f667a (patch) | |
tree | 45da052ffc1e22ea80727c447773471dca02f1d8 /lib/common.h | |
parent | 5606b833330db090f8ec75cd886686d682fa47da (diff) | |
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document ROUND_ macros
Signed-off-by: Thanos Makatos <thanos.makatos@nutanix.com>
Diffstat (limited to 'lib/common.h')
-rw-r--r-- | lib/common.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/common.h b/lib/common.h index b7b5a76..f5de4d8 100644 --- a/lib/common.h +++ b/lib/common.h @@ -45,6 +45,7 @@ #define likely(e) __builtin_expect(!!(e), 1) #define unlikely(e) __builtin_expect(e, 0) +/* XXX NB 2nd argument must be power of two */ #define ROUND_DOWN(x, a) ((x) & ~((a)-1)) #define ROUND_UP(x,a) ROUND_DOWN((x)+(a)-1, a) |