Messages in this thread |  | | Date | Mon, 10 Mar 2003 21:15:11 -0800 | From | William Lee Irwin III <> | Subject | pgcl-2.5.64-[345] |
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pgcl-2.5.64-3: (1) remove some debug checks from rmap and highmem functions (2) mitigate anonymous page fragmentation in do_anonymous_page() this heuristic is still not entirely effective
pgcl-2.5.64-4: (1) edit all PTE's pointed at a given page at swap fault time (2) comment some TODO items (3) remove WARN_ON()'s triggered by PTE allocation fallback to lowmem
pgcl-2.5.64-5: (1) re-sweep arch/i386/kernel/cpu/mtrr/ for PAGE_SIZE vs. MMUPAGE_SIZE MTRR code basically wants MMUPAGE_SIZE in all cases
As usual, available from: ftp://ftp.kernel.org/pub/linux/kernel/people/wli/vm/pgcl/
The fault-time antifragmentation heuristics here are largely ineffective. Most of this will have to be revisited, but if you were seeing issues with MTRR's or spurious WARN_ON()'s from PTE allocation fallback to ZONE_NORMAL, these updates should help. Incremental atop prior 2.5.64 pgcl patches.
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