[PATCH 0/1] mm, shmem: map few pages around fault address if they are in page cache

[Ning Qu]

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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/