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Peter Anvin" , Andy Lutomirski , Peter Zijlstra , Juergen Gross , Boris Ostrovsky , Vishal Moola , William Kucharski Subject: [PATCH v2 5/9] x86/mm: Convert sync_global_pgds_l5() to ptdescs Date: Mon, 29 Jun 2026 11:57:38 -0700 Message-ID: <20260629185742.126987-6-vishal.moola@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260629185742.126987-1-vishal.moola@gmail.com> References: <20260629185742.126987-1-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_l5() to ptdescs in preparation for the eventual splitting of ptdescs from struct page. Acked-by: Mike Rapoport (Microsoft) Reviewed-by: William Kucharski 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 df27379d4bb4..e89b51aea2cf 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -136,7 +136,7 @@ static void sync_global_pgds_l5(unsigned long start, unsigned long end) for (addr = start; addr <= end; addr = ALIGN(addr + 1, PGDIR_SIZE)) { const pgd_t *pgd_ref = pgd_offset_k(addr); - struct page *page; + struct ptdesc *ptdesc; /* Check for overflow */ if (addr < start) @@ -146,13 +146,13 @@ static void sync_global_pgds_l5(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; spinlock_t *pgt_lock; - pgd = (pgd_t *)page_address(page) + pgd_index(addr); + pgd = (pgd_t *)ptdesc_address(ptdesc) + pgd_index(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 (!pgd_none(*pgd_ref) && !pgd_none(*pgd)) -- 2.54.0