From: xu xin Similar with 318d87b8fa7 ("ksm: initialize the addr only once in rmap_walk_ksm"), Only initialize the addr only once in rmap_walk_ksm because the addr variable doesn't change across iterations. Signed-off-by: Xu Xin --- mm/ksm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/ksm.c b/mm/ksm.c index c1dcc3cb4831..337eb04a9340 100644 --- a/mm/ksm.c +++ b/mm/ksm.c @@ -3289,7 +3289,7 @@ void collect_procs_ksm(const struct folio *folio, const struct page *page, rcu_read_lock(); for_each_process(tsk) { struct anon_vma_chain *vmac; - unsigned long addr; + const unsigned long addr = rmap_item->address & PAGE_MASK; struct task_struct *t = task_early_kill(tsk, force_early); if (!t) @@ -3299,7 +3299,6 @@ void collect_procs_ksm(const struct folio *folio, const struct page *page, { vma = vmac->vma; if (vma->vm_mm == t->mm) { - addr = rmap_item->address & PAGE_MASK; add_to_kill_ksm(t, page, vma, to_kill, addr); } -- 2.25.1