diff options
| author | Liam R. Howlett <Liam.Howlett@Oracle.com> | 2022-09-06 19:48:48 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-09-26 19:46:16 -0700 |
| commit | 524e00b36e8c547f5582eef3fb645a8d9fc5e3df (patch) | |
| tree | 9bc59d81befe527c3fd2fba8eae465b4eaeaad8d /mm/init-mm.c | |
| parent | 0c563f148043569c81724ee0f9c5bad5a36b115a (diff) | |
mm: remove rb tree.
Remove the RB tree and start using the maple tree for vm_area_struct
tracking.
Drop validate_mm() calls in expand_upwards() and expand_downwards() as the
lock is not held.
Link: https://lkml.kernel.org/r/20220906194824.2110408-18-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Tested-by: Yu Zhao <yuzhao@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: SeongJae Park <sj@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/init-mm.c')
| -rw-r--r-- | mm/init-mm.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/mm/init-mm.c b/mm/init-mm.c index b912b0f2eced..c9327abb771c 100644 --- a/mm/init-mm.c +++ b/mm/init-mm.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/mm_types.h> -#include <linux/rbtree.h> #include <linux/maple_tree.h> #include <linux/rwsem.h> #include <linux/spinlock.h> @@ -29,7 +28,6 @@ * and size this cpu_bitmask to NR_CPUS. */ struct mm_struct init_mm = { - .mm_rb = RB_ROOT, .mm_mt = MTREE_INIT_EXT(mm_mt, MM_MT_FLAGS, init_mm.mmap_lock), .pgd = swapper_pg_dir, .mm_users = ATOMIC_INIT(2), |