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Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1uNfS5-00000005r7S-1Drb; Fri, 06 Jun 2025 22:22:17 +0000 From: "Matthew Wilcox (Oracle)" To: Vlastimil Babka Cc: "Matthew Wilcox (Oracle)" , Christoph Lameter , David Rientjes , linux-mm@kvack.org Subject: [PATCH 07/10] proc: Remove mention of PG_slab Date: Fri, 6 Jun 2025 23:22:09 +0100 Message-ID: <20250606222214.1395799-8-willy@infradead.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250606222214.1395799-1-willy@infradead.org> References: <20250606222214.1395799-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: B38A140003 X-Stat-Signature: 4jfokb57qkzb6joachixod38q6khf93e X-Rspam-User: X-HE-Tag: 1749248556-808941 X-HE-Meta: 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 af7jEl+V Pi49dHj81r+ep4GrXCkSdmYlgByYLn1gwofoTXi912piroNMn9SQdbx6fafyBlh6oyTS9qDHaCM8LpfyiinefCg83ZjX9uKX91nA/JsybfhixBWqa+0i5TccmZvt65vQOhm6/78/y86tQpZu2UHZI352xZL9R+q9y9NLdisQIM27yqsczVYBin6g8LHWNRFbqmflEjECEl0I2AljY2iIzhDjk9efu7QZzcsLkpXN/gzNNYEh/dlOJBa8+fhCVGcnvgDBkOcaox6kSBSJGlcKDoiQX50hgsiKnFTiU 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: Improve the documentation of buddy pages while I'm editing this comment. Signed-off-by: Matthew Wilcox (Oracle) --- fs/proc/page.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/fs/proc/page.c b/fs/proc/page.c index 999af26c7298..d7d0f0ca1e9b 100644 --- a/fs/proc/page.c +++ b/fs/proc/page.c @@ -183,10 +183,7 @@ u64 stable_page_flags(const struct page *page) u |= 1 << KPF_ZERO_PAGE; } - /* - * Caveats on high order pages: PG_buddy and PG_slab will only be set - * on the head page. - */ + /* KPF_BUDDY is only set on the first buddy page */ if (PageBuddy(page)) u |= 1 << KPF_BUDDY; else if (page_count(page) == 0 && is_free_buddy_page(page)) -- 2.47.2