diff options
| author | Suren Baghdasaryan <surenb@google.com> | 2025-02-13 14:46:45 -0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-03-16 22:06:19 -0700 |
| commit | ce0853966085dd8eab7153ce0b815c4a07d86698 (patch) | |
| tree | 118e0d03d62cce58ada4d4073894df922d588717 /kernel/fork.c | |
| parent | mm: allow vma_start_read_locked/vma_start_read_locked_nested to fail (diff) | |
| download | linux-ce0853966085dd8eab7153ce0b815c4a07d86698.tar.gz linux-ce0853966085dd8eab7153ce0b815c4a07d86698.zip | |
mm: move mmap_init_lock() out of the header file
mmap_init_lock() is used only from mm_init() in fork.c, therefore it does
not have to reside in the header file. This move lets us avoid including
additional headers in mmap_lock.h later, when mmap_init_lock() needs to
initialize rcuwait object.
Link: https://lkml.kernel.org/r/20250213224655.1680278-9-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Tested-by: Shivank Garg <shivankg@amd.com>
Link: https://lkml.kernel.org/r/5e19ec93-8307-47c2-bb13-3ddf7150624e@amd.com
Cc: Christian Brauner <brauner@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jann Horn <jannh@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Klara Modin <klarasmodin@gmail.com>
Cc: Liam R. Howlett <Liam.Howlett@Oracle.com>
Cc: Lokesh Gidra <lokeshgidra@google.com>
Cc: Mateusz Guzik <mjguzik@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Minchan Kim <minchan@google.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: "Paul E . McKenney" <paulmck@kernel.org>
Cc: Peter Xu <peterx@redhat.com>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Sourav Panda <souravpanda@google.com>
Cc: Wei Yang <richard.weiyang@gmail.com>
Cc: Will Deacon <will@kernel.org>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 5bf3e407c795..f1af413e5aa4 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1230,6 +1230,12 @@ static void mm_init_uprobes_state(struct mm_struct *mm) #endif } +static void mmap_init_lock(struct mm_struct *mm) +{ + init_rwsem(&mm->mmap_lock); + mm_lock_seqcount_init(mm); +} + static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p, struct user_namespace *user_ns) { |