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8a78882dac
The page cannot become compound pages again just after a folio is split as an extra refcnt is held. So the MF_MSG_DIFFERENT_COMPOUND case is obsolete and can be removed to get rid of this false assumption and code burden. But add one WARN_ON() here to keep the situation clear. Link: https://lkml.kernel.org/r/20240708030544.196919-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Cc: Borislav Petkov (AMD) <bp@alien8.de> Cc: Naoya Horiguchi <nao.horiguchi@gmail.com> Cc: Tony Luck <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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