On 06.04.2021 21:30, Julien Grall wrote: > From: Julien Grall <jgr...@amazon.com> > > Currently, the heap_lock is held when clearing PGC_need_scrub in > alloc_heap_pages(). However, this is unnecessary because the only caller > (mark_page_offline()) that can concurrently modify the count_info is > using cmpxchg() in a loop. > > Therefore, rework the code to avoid holding the heap_lock and use > test_and_clear_bit() instead. > > Signed-off-by: Julien Grall <jgr...@amazon.com>
Reviewed-by: Jan Beulich <jbeul...@suse.com>
