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[86.16.54.28]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-45edb558f52sm6693771f8f.14.2026.05.27.07.04.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 May 2026 07:04:11 -0700 (PDT) From: Vishal Moola To: Dave Hansen , linux-mm@kvack.org, linux-kernel@vger.kernel.org, x86@kernel.org Cc: Mike Rapoport , Lu Baolu , xen-devel@lists.xenproject.org, Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Andy Lutomirski , Peter Zijlstra , Juergen Gross , Boris Ostrovsky , Vishal Moola Subject: [PATCH 3/9] x86/mm/pat: Convert collapse_pmd_page() to ptdescs Date: Wed, 27 May 2026 15:03:10 +0100 Message-ID: <20260527140316.294621-4-vishal.moola@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260527140316.294621-1-vishal.moola@gmail.com> References: <20260527140316.294621-1-vishal.moola@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Convert collapse_pmd_page() to ptdescs in preparation for the eventual splitting of ptdescs from struct page. Signed-off-by: Vishal Moola --- arch/x86/mm/pat/set_memory.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c index 93cb71451ce2..45623d4c24c9 100644 --- a/arch/x86/mm/pat/set_memory.c +++ b/arch/x86/mm/pat/set_memory.c @@ -1297,11 +1297,11 @@ static int collapse_pmd_page(pmd_t *pmd, unsigned long addr, list_add(&page_ptdesc(pmd_page(old_pmd))->pt_list, pgtables); if (IS_ENABLED(CONFIG_X86_32)) { - struct page *page; + struct ptdesc *ptdesc; /* Update all PGD tables to use the same large page */ - list_for_each_entry(page, &pgd_list, lru) { - pgd_t *pgd = (pgd_t *)page_address(page) + pgd_index(addr); + list_for_each_entry(ptdesc, &pgd_list, pt_list) { + pgd_t *pgd = (pgd_t *)ptdesc_address(ptdesc) + pgd_index(addr); p4d_t *p4d = p4d_offset(pgd, addr); pud_t *pud = pud_offset(p4d, addr); pmd_t *pmd = pmd_offset(pud, addr); -- 2.54.0