[PATCH v3 06/34] mm: Convert pmd_pgtable_page() to pmd_ptdesc()
From: Vishal Moola (Oracle) <hidden>
Date: 2023-05-31 22:43:11
Also in:
kvm, linux-arch, linux-arm-kernel, linux-m68k, linux-mips, linux-riscv, linux-s390, linux-sh, linuxppc-dev, loongarch, sparclinux, xen-devel
Subsystem:
memory management - core, the rest · Maintainers:
Andrew Morton, David Hildenbrand, Linus Torvalds
Converts pmd_pgtable_page() to pmd_ptdesc() and all its callers. This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) <redacted> --- include/linux/mm.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 620537e2f94f..3a9c40e90dd7 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h@@ -2912,15 +2912,15 @@ static inline void pgtable_pte_page_dtor(struct page *page) #if USE_SPLIT_PMD_PTLOCKS -static inline struct page *pmd_pgtable_page(pmd_t *pmd) +static inline struct ptdesc *pmd_ptdesc(pmd_t *pmd) { unsigned long mask = ~(PTRS_PER_PMD * sizeof(pmd_t) - 1); - return virt_to_page((void *)((unsigned long) pmd & mask)); + return virt_to_ptdesc((void *)((unsigned long) pmd & mask)); } static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd) { - return ptlock_ptr(pmd_pgtable_page(pmd)); + return ptlock_ptr(ptdesc_page(pmd_ptdesc(pmd))); } static inline bool pmd_ptlock_init(struct page *page)
@@ -2939,7 +2939,7 @@ static inline void pmd_ptlock_free(struct page *page) ptlock_free(page); } -#define pmd_huge_pte(mm, pmd) (pmd_pgtable_page(pmd)->pmd_huge_pte) +#define pmd_huge_pte(mm, pmd) (pmd_ptdesc(pmd)->pmd_huge_pte) #else
--
2.40.1
_______________________________________________
linux-um mailing list
linux-um@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-um