Messages in this thread | | | Date | Tue, 15 Jan 2008 17:59:25 -0500 | From | Rik van Riel <> | Subject | Re: [RFC][PATCH 4/5] memory_pressure_notify() caller |
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On Tue, 15 Jan 2008 23:55:17 +0100 "Daniel Spång" <daniel.spang@gmail.com> wrote:
> The notification fires after only ~100 MB allocated, i.e., when page > reclaim is beginning to nag from page cache. Isn't this a bit early? > Repeating the test with swap enabled results in a notification after > ~600 MB allocated, which is more reasonable and just before the system > starts to swap.
Your issue may have more to do with the fact that the highmem zone is 128MB in size and some balancing issues between __alloc_pages and try_to_free_pages.
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