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[86.16.54.28]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-45edb558f52sm6693771f8f.14.2026.05.27.07.04.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 May 2026 07:04:17 -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 6/9] x86/mm: Convert sync_global_pgds_l4() to ptdescs Date: Wed, 27 May 2026 15:03:13 +0100 Message-ID: <20260527140316.294621-7-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 sync_global_pgds_l4() to ptdescs in preparation for the eventual splitting of ptdescs from struct page. Signed-off-by: Vishal Moola --- arch/x86/mm/init_64.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index e89b51aea2cf..a6ccb83f2d26 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -174,7 +174,7 @@ static void sync_global_pgds_l4(unsigned long start, unsigned long end) for (addr = start; addr <= end; addr = ALIGN(addr + 1, PGDIR_SIZE)) { pgd_t *pgd_ref = pgd_offset_k(addr); const p4d_t *p4d_ref; - struct page *page; + struct ptdesc *ptdesc; /* * With folded p4d, pgd_none() is always false, we need to @@ -187,15 +187,15 @@ static void sync_global_pgds_l4(unsigned long start, unsigned long end) continue; spin_lock(&pgd_lock); - list_for_each_entry(page, &pgd_list, lru) { + list_for_each_entry(ptdesc, &pgd_list, pt_list) { pgd_t *pgd; p4d_t *p4d; spinlock_t *pgt_lock; - pgd = (pgd_t *)page_address(page) + pgd_index(addr); + pgd = (pgd_t *)ptdesc_address(ptdesc) + pgd_index(addr); p4d = p4d_offset(pgd, addr); /* the pgt_lock only for Xen */ - pgt_lock = &pgd_page_get_mm(page)->page_table_lock; + pgt_lock = &pgd_page_get_mm(ptdesc_page(ptdesc))->page_table_lock; spin_lock(pgt_lock); if (!p4d_none(*p4d_ref) && !p4d_none(*p4d)) -- 2.54.0