[RFC PATCH 08/18] mm/memory: use ptdesc in __pte_alloc
From: alexs@kernel.org
Date: 2024-07-30 06:44:35
Also in:
linux-arch, linux-m68k, linux-mm, linux-riscv, linux-s390, lkml, loongarch
Subsystem:
memory management, memory management - core, the rest · Maintainers:
Andrew Morton, David Hildenbrand, Linus Torvalds
From: Alex Shi <alexs@kernel.org> Replace pgtable_t by ptdesc in function __pte_alloc. We will remove pgtable_t from all place. Signed-off-by: Alex Shi <alexs@kernel.org> Cc: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org Cc: Andrew Morton <akpm@linux-foundation.org> --- mm/memory.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/mm/memory.c b/mm/memory.c
index b9f5cc0db3eb..5b01d94a0b5f 100644
--- a/mm/memory.c
+++ b/mm/memory.c@@ -445,13 +445,13 @@ void pmd_install(struct mm_struct *mm, pmd_t *pmd, pgtable_t *pte) int __pte_alloc(struct mm_struct *mm, pmd_t *pmd) { - pgtable_t new = pte_alloc_one(mm); - if (!new) + struct ptdesc *ptdesc = page_ptdesc(pte_alloc_one(mm)); + if (!ptdesc) return -ENOMEM; - pmd_install(mm, pmd, &new); - if (new) - pte_free(mm, new); + pmd_install(mm, pmd, (pgtable_t *)&ptdesc); + if (ptdesc) + pte_free(mm, ptdesc_page(ptdesc)); return 0; }
--
2.43.0