On 5/6/20 5:42 PM, Anthony Yznaga wrote: > Improve performance by multithreading the work to preserve and restore > shmem pages. > > Add 'pkram_max_threads=' kernel option to specify the maximum number > of threads to use to preserve or restore the pages of a shmem file. > The default is 16. Hi, Please document kernel boot options in Documentation/admin-guide/kernel-parameters.txt. > When preserving pages each thread saves chunks of a file to a pkram_obj > until no more no more chunks are available. > > When restoring pages each thread loads pages using a copy of a > pkram_stream initialized by pkram_prepare_load_obj(). Under the hood > each thread ends up fetching and operating on pkram_link pages. > > Signed-off-by: Anthony Yznaga <anthony.yznaga@xxxxxxxxxx> > --- > include/linux/pkram.h | 2 + > mm/shmem_pkram.c | 101 +++++++++++++++++++++++++++++++++++++++++++++++++- > 2 files changed, 101 insertions(+), 2 deletions(-) thanks. -- ~Randy
