]> www.infradead.org Git - users/jedix/linux-maple.git/commit
mm/mmap: Use advanced maple tree API for mmap_region()
authorLiam R. Howlett <Liam.Howlett@Oracle.com>
Tue, 10 Nov 2020 18:37:40 +0000 (13:37 -0500)
committerLiam R. Howlett <Liam.Howlett@oracle.com>
Fri, 1 Oct 2021 17:30:00 +0000 (13:30 -0400)
commit77ab32a35586ef36c5a74aa60f2b77457102f921
treeb40308771c2f1c740494b41b1bae3111e63780a8
parentaca9b85b86ba18a10b73bbdb51cf1236d492a60f
mm/mmap: Use advanced maple tree API for mmap_region()

Changing mmap_region() to use the maple tree state and the advanced
maple tree interface allows for a lot less tree walking.

This change removes the last caller of munmap_vma_range(), so drop this
unused function.

Add vma_expand() to expand a VMA if possible by doing the necessary
hugepage check, uprobe_munmap of files, dcache flush, modifications then
undoing the detaches, etc.

Add vma_mas_link() helper to add a VMA to the linked list and maple tree
until the linked list is removed.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
mm/mmap.c