From: "Vishal Moola (Oracle)" <vishal.moola@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Matthew Wilcox <willy@infradead.org>
Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org,
linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev,
linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org,
linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org,
linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
linux-um@lists.infradead.org, xen-devel@lists.xenproject.org,
kvm@vger.kernel.org,
"Vishal Moola (Oracle)" <vishal.moola@gmail.com>
Subject: [PATCH 17/33] mm: Remove page table members from struct page
Date: Mon, 17 Apr 2023 13:50:32 -0700 [thread overview]
Message-ID: <20230417205048.15870-18-vishal.moola@gmail.com> (raw)
In-Reply-To: <20230417205048.15870-1-vishal.moola@gmail.com>
The page table members are now split out into their own ptdesc struct.
Remove them from struct page.
Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
---
include/linux/mm_types.h | 14 --------------
include/linux/pgtable.h | 3 ---
2 files changed, 17 deletions(-)
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 2616d64c0e8c..4355f95abc5a 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -141,20 +141,6 @@ struct page {
struct { /* Tail pages of compound page */
unsigned long compound_head; /* Bit zero is set */
};
- struct { /* Page table pages */
- unsigned long _pt_pad_1; /* compound_head */
- pgtable_t pmd_huge_pte; /* protected by page->ptl */
- unsigned long _pt_s390_gaddr; /* mapping */
- union {
- struct mm_struct *pt_mm; /* x86 pgds only */
- atomic_t pt_frag_refcount; /* powerpc */
- };
-#if ALLOC_SPLIT_PTLOCKS
- spinlock_t *ptl;
-#else
- spinlock_t ptl;
-#endif
- };
struct { /* ZONE_DEVICE pages */
/** @pgmap: Points to the hosting device page map. */
struct dev_pagemap *pgmap;
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index 7cd803aa38eb..8cacdf1fc411 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -91,9 +91,6 @@ TABLE_MATCH(flags, __page_flags);
TABLE_MATCH(compound_head, pt_list);
TABLE_MATCH(compound_head, _pt_pad_1);
TABLE_MATCH(mapping, _pt_s390_gaddr);
-TABLE_MATCH(pmd_huge_pte, pmd_huge_pte);
-TABLE_MATCH(pt_mm, pt_mm);
-TABLE_MATCH(ptl, ptl);
#undef TABLE_MATCH
static_assert(sizeof(struct ptdesc) <= sizeof(struct page));
--
2.39.2
next prev parent reply other threads:[~2023-04-17 20:50 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-17 20:50 [PATCH 00/33] Split ptdesc from struct page Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 01/33] s390: Use _pt_s390_gaddr for gmap address tracking Vishal Moola (Oracle)
2023-04-18 15:45 ` David Hildenbrand
2023-04-18 21:33 ` Vishal Moola
2023-04-19 7:54 ` David Hildenbrand
2023-04-20 23:32 ` Vishal Moola
2023-04-17 20:50 ` [PATCH 02/33] s390: Use pt_frag_refcount for pagetables Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 03/33] pgtable: Create struct ptdesc Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 04/33] mm: add utility functions for ptdesc Vishal Moola (Oracle)
2023-04-18 1:22 ` kernel test robot
2023-04-19 13:33 ` [PATCH 4/33] " Vernon Yang
2023-04-19 20:29 ` Vishal Moola
2023-04-17 20:50 ` [PATCH 05/33] mm: Convert pmd_pgtable_page() to pmd_ptdesc() Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 06/33] mm: Convert ptlock_alloc() to use ptdescs Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 07/33] mm: Convert ptlock_ptr() " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 08/33] mm: Convert pmd_ptlock_init() " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 09/33] mm: Convert ptlock_init() " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 10/33] mm: Convert pmd_ptlock_free() " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 11/33] mm: Convert ptlock_free() " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 12/33] mm: Create ptdesc equivalents for pgtable_{pte,pmd}_page_{ctor,dtor} Vishal Moola (Oracle)
2023-04-18 2:13 ` kernel test robot
2023-04-17 20:50 ` [PATCH 13/33] powerpc: Convert various functions to use ptdescs Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 14/33] x86: " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 15/33] s390: Convert various gmap " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 16/33] s390: Convert various pgalloc " Vishal Moola (Oracle)
2023-04-17 20:50 ` Vishal Moola (Oracle) [this message]
2023-04-17 20:50 ` [PATCH 18/33] pgalloc: Convert various " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 19/33] arm: " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 20/33] arm64: " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 21/33] csky: Convert __pte_free_tlb() " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 22/33] hexagon: " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 23/33] loongarch: Convert various functions " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 24/33] m68k: " Vishal Moola (Oracle)
2023-04-17 22:18 ` kernel test robot
2023-04-17 20:50 ` [PATCH 25/33] mips: " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 26/33] nios2: Convert __pte_free_tlb() " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 27/33] openrisc: " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 28/33] riscv: Convert alloc_{pmd, pte}_late() " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 29/33] sh: Convert pte_free_tlb() " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 30/33] sparc64: Convert various functions " Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 31/33] sparc: Convert pgtable_pte_page_{ctor, dtor}() to ptdesc equivalents Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 32/33] um: Convert {pmd, pte}_free_tlb() to use ptdescs Vishal Moola (Oracle)
2023-04-17 20:50 ` [PATCH 33/33] mm: Remove pgtable_{pmd, pte}_page_{ctor, dtor}() wrappers Vishal Moola (Oracle)
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