These patches include few backported fixes for the 4.4 stable tree. I would appreciate if you could kindly consider including them in the next release.
Ajay
--- [PATCH 1/8]: Backporting of upstream commit f958d7b528b1: mm: make page ref count overflow check tighter and more explicit
[PATCH 2/8]: Backporting of upstream commit 88b1a17dfc3e: mm: add 'try_get_page()' helper function
[PATCH 3/8]: Backporting of upstream commit 7aef4172c795: mm: handle PTE-mapped tail pages in gerneric fast gup implementaiton
[PATCH 4/8]: Backporting of upstream commit a3e328556d41: mm, gup: remove broken VM_BUG_ON_PAGE compound check for hugepages
[PATCH 5/8]: Backporting of upstream commit d63206ee32b6: mm, gup: ensure real head page is ref-counted when using hugepages
[PATCH 6/8]: Backporting of upstream commit 8fde12ca79af: mm: prevent get_user_pages() from overflowing page refcount
[PATCH 7/8]: Backporting of upstream commit 7bf2d1df8082: pipe: add pipe_buf_get() helper
[PATCH 8/8]: Backporting of upstream commit 15fab63e1e57: fs: prevent page refcount overflow in pipe_buf_get