http://www.mjmwired.net/kernel/Documentation/x86/pat.txt http://www.mjmwired.net/kernel/Documentation/x86/mtrr.txt hope this can give u some clues. Best Regards Lin 2009/9/13 Alessandro Pignotti <alexpigna.dev@xxxxxxxxx>: > Hi everyone, > > I'm writing an high performance application on x86-64 that allocate > some memory to store a write only journal. I was wondering if there is > a way to ask the kernel to mark such pages as write combining memory. > More in general, it's possible to use PAT from userspace? I was > expecting some mmap flag like MAP_NOCACHE, but there not seems to be > any such flags. > > Regards, > Alessandro > -- > To unsubscribe from this list: send the line "unsubscribe linux-c-programming" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-c-programming" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
