diff options
| author | Kirill Korotaev | 2006-12-07 05:32:27 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2006-12-07 17:39:22 +0100 |
| commit | b43a57bb4dae72e8f7232e7c821a8799eda30022 (patch) | |
| tree | 4293286b44c8b11bac6a03c4ddfe75aea40aa089 /mm/swapfile.c | |
| parent | [PATCH] mlock cleanup (diff) | |
| download | kernel-qcow2-linux-b43a57bb4dae72e8f7232e7c821a8799eda30022.tar.gz kernel-qcow2-linux-b43a57bb4dae72e8f7232e7c821a8799eda30022.tar.xz kernel-qcow2-linux-b43a57bb4dae72e8f7232e7c821a8799eda30022.zip | |
[PATCH] OOM can panic due to processes stuck in __alloc_pages()
OOM can panic due to the processes stuck in __alloc_pages() doing infinite
rebalance loop while no memory can be reclaimed. OOM killer tries to kill
some processes, but unfortunetaly, rebalance label was moved by someone
below the TIF_MEMDIE check, so buddy allocator doesn't see that process is
OOM-killed and it can simply fail the allocation :/
Observed in reality on RHEL4(2.6.9)+OpenVZ kernel when a user doing some
memory allocation tricks triggered OOM panic.
Signed-off-by: Denis Lunev <den@sw.ru>
Signed-off-by: Kirill Korotaev <dev@openvz.org>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/swapfile.c')
0 files changed, 0 insertions, 0 deletions