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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: ECD531C000D X-Stat-Signature: fzucart36tngojsrhno1jz6aophqryn6 X-HE-Tag: 1751372984-720890 X-HE-Meta: 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 VZAGd3Ag 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 01.07.25 12:59, Lorenzo Stoakes wrote: > On Mon, Jun 30, 2025 at 02:59:57PM +0200, David Hildenbrand wrote: >> Let's make it clearer that we are talking about movable_ops pages. >> >> While at it, convert a VM_BUG_ON to a VM_WARN_ON_ONCE_PAGE. > > <3 > >> >> Reviewed-by: Zi Yan >> Signed-off-by: David Hildenbrand > > Great, love it. > > Reviewed-by: Lorenzo Stoakes > > I noticed that the Simplified Chinese documentation has references for this, but > again we have to defer to somebody fluent in this of course! > > but also in mm/memory_hotplug.c in scan_movable_pages(): > > /* > * PageOffline() pages that are not marked __PageMovable() and > > Trivial one but might be worth fixing that up also? Ah, yes, missed that, burried under the the Chinese doc occurrences. diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 5fad126949d08..69a636e20f7bb 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1763,7 +1763,7 @@ static int scan_movable_pages(unsigned long start, unsigned long end, goto found; /* - * PageOffline() pages that are not marked __PageMovable() and + * PageOffline() pages that do not have movable_ops and * have a reference count > 0 (after MEM_GOING_OFFLINE) are * definitely unmovable. If their reference count would be 0, * they could at least be skipped when offlining memory. -- Cheers, David / dhildenb