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Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1vJKu7-00000006fOg-0qqL; Thu, 13 Nov 2025 00:09:35 +0000 From: "Matthew Wilcox (Oracle)" To: Vlastimil Babka , Andrew Morton Cc: "Matthew Wilcox (Oracle)" , Christoph Lameter , David Rientjes , Roman Gushchin , Harry Yoo , linux-mm@kvack.org Subject: [PATCH v4 10/16] slab: Remove folio references from build_detached_freelist() Date: Thu, 13 Nov 2025 00:09:24 +0000 Message-ID: <20251113000932.1589073-11-willy@infradead.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251113000932.1589073-1-willy@infradead.org> References: <20251113000932.1589073-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: srmoyi4sgik9sgynwsoyz9mk477g95ec X-Rspam-User: X-Rspamd-Queue-Id: 4A4D640008 X-Rspamd-Server: rspam01 X-HE-Tag: 1762992607-889206 X-HE-Meta: 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 CGimdqcl 6u0qquMqUsVZNC90a3b5/CFN5YCWHJ9cF0mxo8gJOZvGj8ENG+cYFsaJemZVSls0BvgXnkCikTbB78jOQ212IXnhktdI2dPa/m08Zqz3kV2RlhrXagMUkCSSjtSsauIYAyn6qj/oxfNqkAnchx09DV6J7QOy+TB37Id3gmA5lTA7xMnG2aBEahyEFRJdWLlxpfaNFVZ2JY9M1wd++D1lNf5NPkpe7kvjJmuGvkVHDby5ogyoXh+LjoowhyYUp0e5nynLNjNpnpJ0uig0jgHobFe/Q2reop/iI1DvYVjeStFcsTkl14SdjzrcFcA== 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: Use pages and slabs directly instead of converting to folios. Signed-off-by: Matthew Wilcox (Oracle) --- mm/slub.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index 4570d1dce271..17b456f6fd4e 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -7297,23 +7297,25 @@ int build_detached_freelist(struct kmem_cache *s, size_t size, { int lookahead = 3; void *object; - struct folio *folio; + struct page *page; + struct slab *slab; size_t same; object = p[--size]; - folio = virt_to_folio(object); + page = virt_to_page(object); + slab = page_slab(page); if (!s) { /* Handle kalloc'ed objects */ - if (unlikely(!folio_test_slab(folio))) { - free_large_kmalloc(&folio->page, object); + if (!slab) { + free_large_kmalloc(page, object); df->slab = NULL; return size; } /* Derive kmem_cache from object */ - df->slab = folio_slab(folio); - df->s = df->slab->slab_cache; + df->slab = slab; + df->s = slab->slab_cache; } else { - df->slab = folio_slab(folio); + df->slab = slab; df->s = cache_from_obj(s, object); /* Support for memcg */ } -- 2.47.2