search for: refault

...er memory pressure. A better approach might be to register a shrinker callback, which means that the balloon driver can see how much memory pressure the system is under by looking getting feedback from it. A more advanced project is to modify the kernel VM subsystem to measure refault distance, which is how long a page is evicted before being faulted back in again. That measurement can tell you how much more memory you need to add to a domain in order to get the fault rate below a given rate. gdb gives bad info in a 64-bit domain For some reason, gdb doesn'...

I'm thinking about ways to improve the Xen balloon driver. This is the driver which allows the guest domain to expand or contract by either asking for more memory from the hypervisor, or giving unneeded memory back. From the kernel's perspective, it simply looks like a driver which allocates and frees pages; when it allocates memory it gives the underlying physical page back to the

I'm thinking about ways to improve the Xen balloon driver. This is the driver which allows the guest domain to expand or contract by either asking for more memory from the hypervisor, or giving unneeded memory back. From the kernel's perspective, it simply looks like a driver which allocates and frees pages; when it allocates memory it gives the underlying physical page back to the

...er memory pressure. A better approach might be to register a shrinker callback, which means that the balloon driver can see how much memory pressure the system is under by looking getting feedback from it. A more advanced project is to modify the kernel VM subsystem to measure refault distance, which is how long a page is evicted before being faulted back in again. That measurement can tell you how much more memory you need to add to a domain in order to get the fault rate below a given rate. gdb gives bad info in a 64-bit domain For some reason, gdb doesn'...

...er memory pressure. A better approach might be to register a shrinker callback, which means that the balloon driver can see how much memory pressure the system is under by looking getting feedback from it. A more advanced project is to modify the kernel VM subsystem to measure refault distance, which is how long a page is evicted before being faulted back in again. That measurement can tell you how much more memory you need to add to a domain in order to get the fault rate below a given rate. gdb gives bad info in a 64-bit domain For some reason, gdb doesn'...

...er memory pressure. A better approach might be to register a shrinker callback, which means that the balloon driver can see how much memory pressure the system is under by looking getting feedback from it. A more advanced project is to modify the kernel VM subsystem to measure refault distance, which is how long a page is evicted before being faulted back in again. That measurement can tell you how much more memory you need to add to a domain in order to get the fault rate below a given rate. gdb gives bad info in a 64-bit domain For some reason, gdb doesn'...

...er memory pressure. A better approach might be to register a shrinker callback, which means that the balloon driver can see how much memory pressure the system is under by looking getting feedback from it. A more advanced project is to modify the kernel VM subsystem to measure refault distance, which is how long a page is evicted before being faulted back in again. That measurement can tell you how much more memory you need to add to a domain in order to get the fault rate below a given rate. gdb gives bad info in a 64-bit domain For some reason, gdb doesn'...