Hi Michel, > > Solutions: > > We have a number of patches that partially address these issues: > > - releasing mmap_sem when a page fault requires a disk read of the backing > > file > > - reducing mmap_sem hold time during mlock operations > > - unfair read acquire for the OOMing threads At least, personally I'd like to merge your unfair rwsem + appling it for OOMing thread. If you've alredy finished to make the patch, can you please post it on LKML? > > We don't currently have patches for, but would be interested in: > > - releasing mmap_sem when a page fault causes a disk wait due to memory > > reclaim (if it's possible to do so while avoiding starvation...) -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>