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x86/mm/pat: Convert __set_pmd_pte() to ptdescs

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Convert __set_pmd_pte() to ptdescs in preparation for the eventual
splitting of ptdescs from struct page.

Signed-off-by: Vishal Moola <vishal.moola@gmail.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: William Kucharski <william.kucharski@linux.dev>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Link: https://patch.msgid.link/20260629185742.126987-3-vishal.moola@gmail.com
This commit is contained in:
Vishal Moola 2026-06-29 11:57:35 -07:00 committed by Dave Hansen
parent e7616bb5ef
commit e27d938b0d
1 changed files with 3 additions and 3 deletions
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6
arch/x86/mm/pat/set_memory.c
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@ -890,15 +890,15 @@ static void __set_pmd_pte(pte_t *kpte, unsigned long address, pte_t pte)
set_pte_atomic(kpte, pte);
if (IS_ENABLED(CONFIG_X86_32)) {
struct page *page;
struct ptdesc *ptdesc;
list_for_each_entry(page, &pgd_list, lru) {
list_for_each_entry(ptdesc, &pgd_list, pt_list) {
pgd_t *pgd;
p4d_t *p4d;
pud_t *pud;
pmd_t *pmd;
pgd = (pgd_t *)page_address(page) + pgd_index(address);
pgd = (pgd_t *)ptdesc_address(ptdesc) + pgd_index(address);
p4d = p4d_offset(pgd, address);
pud = pud_offset(p4d, address);
pmd = pmd_offset(pud, address);