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mm-introduce-mmap_lock_speculate_try_beginretry-fix

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use read_seqcount_retry() in mmap_lock_speculate_retry(), per Wei Yang

Cc: Liam R. Howlett <Liam.Howlett@Oracle.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Wei Yang <richard.weiyang@gmail.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: Hillf Danton <hdanton@sina.com>
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: Lorenzo Stoakes <lorenzo.stoakes@oracle.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: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Sourav Panda <souravpanda@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Andrew Morton 2024-12-06 20:24:17 -08:00
parent dc81fa6b68
commit d61c30c02e
1 changed files with 1 additions and 1 deletions
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2
include/linux/mmap_lock.h
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@ -101,7 +101,7 @@ static inline bool mmap_lock_speculate_try_begin(struct mm_struct *mm, unsigned
static inline bool mmap_lock_speculate_retry(struct mm_struct *mm, unsigned int seq)
{
return do_read_seqcount_retry(&mm->mm_lock_seq, seq);
return read_seqcount_retry(&mm->mm_lock_seq, seq);
}
#else /* CONFIG_PER_VMA_LOCK */