Messages in this thread | | | From | Ning Qu <> | Subject | [PATCH 0/1] mm, shmem: map few pages around fault address if they are in page cache | Date | Fri, 28 Feb 2014 14:18:50 -0800 |
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This is a follow-up patch for "mm: map few pages around fault address if they are in page cache"
We use the generic filemap_map_pages as ->map_pages in shmem/tmpfs.
Please consider applying.
========================================================================= Below is just some simple experiment numbers from this patch, let me know if you would like more:
Tested on Xeon machine with 64GiB of RAM, using the current default fault order 4.
Sequential access 8GiB file Baseline with-patch 1 thread minor fault 205 101 time, seconds 7.94 7.82
Random access 8GiB file Baseline with-patch 1 thread minor fault 724 623 time, seconds 9.75 9.84
Ning Qu (1): mm: implement ->map_pages for shmem/tmpfs
mm/shmem.c | 1 + 1 file changed, 1 insertion(+)
-- 1.9.0.279.gdc9e3eb
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