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, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>