[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v4 05/16] xen/mm: Introduce INVALID_GFN_T and INVALID_MFN_T
The two new defines will be a typesafe version of resp. INVALID_GFN and INVALID_MFN. Signed-off-by: Julien Grall <julien.grall@xxxxxxx> --- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> Cc: George Dunlap <George.Dunlap@xxxxxxxxxxxxx> Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx> Cc: Jan Beulich <jbeulich@xxxxxxxx> Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx> Cc: Tim Deegan <tim@xxxxxxx> Cc: Wei Liu <wei.liu2@xxxxxxxxxx> Changes in v4: - Patch added --- xen/include/xen/mm.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/xen/include/xen/mm.h b/xen/include/xen/mm.h index afbb1a1..978a62e 100644 --- a/xen/include/xen/mm.h +++ b/xen/include/xen/mm.h @@ -56,6 +56,7 @@ TYPE_SAFE(unsigned long, mfn); #define PRI_mfn "05lx" #define INVALID_MFN (~0UL) +#define INVALID_MFN_T _mfn(INVALID_MFN) #ifndef mfn_t #define mfn_t /* Grep fodder: mfn_t, _mfn() and mfn_x() are defined above */ @@ -85,6 +86,7 @@ static inline bool_t mfn_eq(mfn_t x, mfn_t y) TYPE_SAFE(unsigned long, gfn); #define PRI_gfn "05lx" #define INVALID_GFN (~0UL) +#define INVALID_GFN_T _gfn(INVALID_GFN) #ifndef gfn_t #define gfn_t /* Grep fodder: gfn_t, _gfn() and gfn_x() are defined above */ -- 1.9.1 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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