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This can leave large parts of the block behind, which > encourages incompatible page mixing down the line (ask for one type, > get another), and thus long-term fragmentation. > > This triggers reliably on the first block in the DMA zone, whose > start_pfn is 1. The block is stolen, but everything before the pivot > page (which was often hundreds of pages) is left on the old list. > > Signed-off-by: Johannes Weiner > --- > mm/page_alloc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) LGTM. Reviewed-by: Zi Yan -- Best Regards, Yan, Zi --=_MailMate_AF023E0F-3702-455A-AF02-3736E6578BB1_= Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQJDBAEBCgAtFiEE6rR4j8RuQ2XmaZol4n+egRQHKFQFAmT/dzkPHHppeUBudmlk aWEuY29tAAoJEOJ/noEUByhU8wIP/1MQdY+SyJNM8MlAehjwwTP9iu/thDSXBNVB I18xJEN4+GfUGrofZdRRK85F0a93sA6FQXwib0e4dORNPkdDQxI6uGRGXVrV7a9E OjswNTkXDyg+sLhvIPKE5ebt0hbnLCQLEoeHFEfcWdtM4do5ZHCJXO1EUqlFNVFZ 2WsnSo4c1vLStPfcxpOKgPsYdfUt7g0FCpqVmf/nT86iUKEHva4u6fVoWMFkfxIK 1MsEOf+L+Xb6VOu+Bw1UOXjjlLU4Rdjql3mupRN7sGhkgF+IaLfAiVmKeIdK+WRJ nv9kSK/M8fsf3X9tXGCZE7lFARV6j78VMcnME8WaMJGU1h0g7tUMGdcqt0tRTGQW e5JP+77pgbK2wHwvKRenZWmPrQZVvMp2S6R1a9nXrFoo0/02OX5d7QU2ZqjOm0NS eqe0d/w040gUmVi4Of10l+6QwA3oxGwkkXvmSwcrJTQkF7MlIZEYea/ia0qkicvL U7Tc0QsK82PGNDW+tZvARpnNZ27mZhftOPVEjUizsjLc5ED7+xtPxoRg2aU/8D7a HgBZKkk/p9T5HMaQ6tZkOR18S2iJ3ZdInffzrKTgwu2bBRjh/3GbbLMNPo6i62Wm 1EwVjFuJWPdLhUCI9ahSGLizIXIpUsKJ5AC/uedhYBw/Ha3vEngSNMa1kGL+11KC WSKn2kEa =LrAf -----END PGP SIGNATURE----- --=_MailMate_AF023E0F-3702-455A-AF02-3736E6578BB1_=--