Messages in this thread Patch in this message | | | Date | Thu, 08 Jul 2004 12:14:16 +1000 | From | Nick Piggin <> | Subject | Re: Can't make use of swap memory in 2.6.7-bk19 |
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Peter Osterlund wrote: > I created a test program that allocates a 300MB buffer and writes to > all bytes sequentially. On my computer, which has 256MB RAM and 512MB > swap, the program gets OOM killed after dirtying about 140-180MB, and > the kernel reports: >
Someone hand me a paper bag... Peter, can you give this patch a try?
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linux-2.6-npiggin/mm/vmscan.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-)
diff -puN mm/vmscan.c~vm-allocfail-fix mm/vmscan.c --- linux-2.6/mm/vmscan.c~vm-allocfail-fix 2004-07-08 12:10:29.000000000 +1000 +++ linux-2.6-npiggin/mm/vmscan.c 2004-07-08 12:12:33.000000000 +1000 @@ -917,12 +917,12 @@ int try_to_free_pages(struct zone **zone sc.nr_reclaimed += reclaim_state->reclaimed_slab; reclaim_state->reclaimed_slab = 0; } - if (sc.nr_reclaimed >= SWAP_CLUSTER_MAX) { + total_scanned += sc.nr_scanned; + total_reclaimed += sc.nr_reclaimed; + if (total_reclaimed >= SWAP_CLUSTER_MAX) { ret = 1; goto out; } - total_scanned += sc.nr_scanned; - total_reclaimed += sc.nr_reclaimed; /* * Try to write back as many pages as we just scanned. This _
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