Re: [RFC][PATCH] Dynamically allocated pageflags.

2005-02-21 Thread Dave Hansen
On Sat, 2005-02-19 at 17:03 +1100, Nigel Cunningham wrote: > > The mem_maps are per-pgdat or per-node with discontig, but I have a > > patch in the pipeline to take them out of there and make one for every > > 128MB or 256MB, etc... area of memory (for memory hotplug). So, hanging > > them off the

Re: [RFC][PATCH] Dynamically allocated pageflags.

2005-02-19 Thread Pavel Machek
Hi! > In Suspend2, I need the functional equivalent of pageflags, but don't > need them when Suspend isn't running. One of the outcomes of the last > submission of Suspend2 for review was that I changed the format in which > that data is stored, creating something I call dynamically allocated > pa

Re: [RFC][PATCH] Dynamically allocated pageflags.

2005-02-18 Thread Nigel Cunningham
Hi. On Sat, 2005-02-19 at 16:51, Dave Hansen wrote: > On Sat, 2005-02-19 at 14:35 +1100, Nigel Cunningham wrote: > > On Sat, 2005-02-19 at 14:02, Dave Hansen wrote: > > > One issue is that it doesn't work with DISCONTIGMEM (or the upcoming > > > sparsemem). max_mapnr doesn't exist on those system

Re: [RFC][PATCH] Dynamically allocated pageflags.

2005-02-18 Thread Dave Hansen
On Sat, 2005-02-19 at 14:35 +1100, Nigel Cunningham wrote: > On Sat, 2005-02-19 at 14:02, Dave Hansen wrote: > > One issue is that it doesn't work with DISCONTIGMEM (or the upcoming > > sparsemem). max_mapnr doesn't exist on those systems, and on the really > > discontiguous ones, you might be all

Re: [RFC][PATCH] Dynamically allocated pageflags.

2005-02-18 Thread Nigel Cunningham
Hi. On Sat, 2005-02-19 at 14:02, Dave Hansen wrote: > On Sat, 2005-02-19 at 13:43 +1100, Nigel Cunningham wrote: > > For some time now, we've been running out of bits for pageflags. > > > > In Suspend2, I need the functional equivalent of pageflags, but don't > > need them when Suspend isn't runn

Re: [RFC][PATCH] Dynamically allocated pageflags.

2005-02-18 Thread Dave Hansen
On Sat, 2005-02-19 at 13:43 +1100, Nigel Cunningham wrote: > For some time now, we've been running out of bits for pageflags. > > In Suspend2, I need the functional equivalent of pageflags, but don't > need them when Suspend isn't running. One of the outcomes of the last > submission of Suspend2 f

[RFC][PATCH] Dynamically allocated pageflags.

2005-02-18 Thread Nigel Cunningham
Hi all. For some time now, we've been running out of bits for pageflags. In Suspend2, I need the functional equivalent of pageflags, but don't need them when Suspend isn't running. One of the outcomes of the last submission of Suspend2 for review was that I changed the format in which that data i