mm: page_alloc: avoid false page outside zone error info
If pfn is outside zone boundaries in the first round, ret will be set to 1. But if pfn is changed to inside the zone boundaries in zone span seqretry path, ret is still set to 1 leading to false page outside zone error info. This is from code inspection. The race window should be really small thus hard to trigger in real world. [akpm@linux-foundation.org: code simplification, per Matthew] Link: https://lkml.kernel.org/r/20230704111823.940331-1-linmiaohe@huawei.com Fixes: bdc8cb98 ("[PATCH] memory hotplug locking: zone span seqlock") Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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