Re: anon_vma RFC2

[Andrea Arcangeli]

On Thu, Mar 11, 2004 at 09:54:01PM +0000, Hugh Dickins wrote:
> Could you post a patch against 2.6.3 or 2.6.4?  Your objrmap patch

I uploaded my latest status, there are three patches, the first is
Dave's objrmap, the second is your anobjrmap-1, the third is my anon_vma
work that removes the pte_chains all over the kernel.

my patch is not stable yet, it crashes during swapping and the debugging
code catches bug even before swapping (which is good):

 0  0      0 404468  11900  41276    0    0     0     0 1095    61  0  0 100  0
 0  0      0 404468  11900  41276    0    0     0     0 1108    71  0  0 100  0
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in    cs us sy id wa
 1  0      0 404468  11908  41268    0    0     0   136 1102    59  0  0 100  0
 1  0      0 310972  11908  41268    0    0     0     0 1100    50  2  7 91  0
 1  0      0  66748  11908  41268    0    0     0     0 1085    30  6 19 75  0
 1  1    128   2648    216  14132    0  128     0   256 1118   139  3 16 73  8
 1  2  77084   1332    232   2188    0 76952   308 76952 1162   255  1 10 54 35

I hope to make it work tomorrow, then the next two things to do are the
pagetable walk in the nonlinear (currently it's pinned) and the rbtree
(or prio_tree) for the i_mmap{,shared}. Then it will be complete and
mergeable.

	http://www.us.kernel.org/pub/linux/kernel/people/andrea/patches/v2.6/2.6.3/objrmap
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