Re: [uml-devel] many cow files with ubd_kern.c

2006-01-28 Thread James McMechan
Humm, I will look to see if that happens on my machines, nope I just tested on a machine with more real memory but no skas3 no tmpfs I appear to have ~64M in use with one COW bitmap and 140M in use with 2 (from top in guest) the other machine was shrinking the guest virtual address space to ~128

Re: [uml-devel] many cow files with ubd_kern.c

2006-01-28 Thread Jeff Dike
On Sat, Jan 28, 2006 at 11:11:31PM +, James McMechan wrote: > allocation failed: out of vmalloc space - use "vmalloc=" to increse > size > Failed to vmalloc COW bitmap > ubd0: Can't open "COW0": errno -12 I have a report (which I haven't looked into yet) of the ubd driver double-vmallocing th

[uml-devel] many cow files with ubd_kern.c

2006-01-28 Thread James McMechan
Once again I have been tweaking ubd_kern to support lots of disks since I need it for recovery but I hit (even on a plain 2.6.15-bs1 kernel) allocation failed: out of vmalloc space - use "vmalloc=" to increse size Failed to vmalloc COW bitmap ubd0: Can't open "COW0": errno -12 but I already ha