On Tue, Sep 13, 2016 at 05:26:05PM +0800, Rui Teng wrote: > The huge page size could be 16G(0x400000000) on ppc64 architecture, and it > will > cause an overflow on unsigned long data type(0xFFFFFFFF).
Huh? ppc64 is 64-bit system and sizeof(void *) is equal to sizeof(unsigned long) on Linux (LP64 model). So where your 0xFFFFFFFF comes from? -- Kirill A. Shutemov
