The patch titled
Subject: arm: drop L_PTE_FILE and pte_file()-related helpers
has been removed from the -mm tree. Its filename was
arm-drop-l_pte_file-and-pte_file-related-helpers.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Subject: arm: drop L_PTE_FILE and pte_file()-related helpers
We've replaced remap_file_pages(2) implementation with emulation. Nobody
creates non-linear mapping anymore.
This patch also adjust __SWP_TYPE_SHIFT, effectively increase size of
possible swap file to 128G.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm/include/asm/pgtable-2level.h | 1 -
arch/arm/include/asm/pgtable-3level.h | 1 -
arch/arm/include/asm/pgtable-nommu.h | 2 --
arch/arm/include/asm/pgtable.h | 20 +++-----------------
arch/arm/mm/proc-macros.S | 2 +-
5 files changed, 4 insertions(+), 22 deletions(-)
diff -puN arch/arm/include/asm/pgtable-2level.h~arm-drop-l_pte_file-and-pte_file-related-helpers arch/arm/include/asm/pgtable-2level.h
--- a/arch/arm/include/asm/pgtable-2level.h~arm-drop-l_pte_file-and-pte_file-related-helpers
+++ a/arch/arm/include/asm/pgtable-2level.h
@@ -118,7 +118,6 @@
#define L_PTE_VALID (_AT(pteval_t, 1) << 0) /* Valid */
#define L_PTE_PRESENT (_AT(pteval_t, 1) << 0)
#define L_PTE_YOUNG (_AT(pteval_t, 1) << 1)
-#define L_PTE_FILE (_AT(pteval_t, 1) << 2) /* only when !PRESENT */
#define L_PTE_DIRTY (_AT(pteval_t, 1) << 6)
#define L_PTE_RDONLY (_AT(pteval_t, 1) << 7)
#define L_PTE_USER (_AT(pteval_t, 1) << 8)
diff -puN arch/arm/include/asm/pgtable-3level.h~arm-drop-l_pte_file-and-pte_file-related-helpers arch/arm/include/asm/pgtable-3level.h
--- a/arch/arm/include/asm/pgtable-3level.h~arm-drop-l_pte_file-and-pte_file-related-helpers
+++ a/arch/arm/include/asm/pgtable-3level.h
@@ -77,7 +77,6 @@
*/
#define L_PTE_VALID (_AT(pteval_t, 1) << 0) /* Valid */
#define L_PTE_PRESENT (_AT(pteval_t, 3) << 0) /* Present */
-#define L_PTE_FILE (_AT(pteval_t, 1) << 2) /* only when !PRESENT */
#define L_PTE_USER (_AT(pteval_t, 1) << 6) /* AP[1] */
#define L_PTE_SHARED (_AT(pteval_t, 3) << 8) /* SH[1:0], inner shareable */
#define L_PTE_YOUNG (_AT(pteval_t, 1) << 10) /* AF */
diff -puN arch/arm/include/asm/pgtable-nommu.h~arm-drop-l_pte_file-and-pte_file-related-helpers arch/arm/include/asm/pgtable-nommu.h
--- a/arch/arm/include/asm/pgtable-nommu.h~arm-drop-l_pte_file-and-pte_file-related-helpers
+++ a/arch/arm/include/asm/pgtable-nommu.h
@@ -54,8 +54,6 @@
typedef pte_t *pte_addr_t;
-static inline int pte_file(pte_t pte) { return 0; }
-
/*
* ZERO_PAGE is a global shared page that is always zero: used
* for zero-mapped memory areas etc..
diff -puN arch/arm/include/asm/pgtable.h~arm-drop-l_pte_file-and-pte_file-related-helpers arch/arm/include/asm/pgtable.h
--- a/arch/arm/include/asm/pgtable.h~arm-drop-l_pte_file-and-pte_file-related-helpers
+++ a/arch/arm/include/asm/pgtable.h
@@ -318,12 +318,12 @@ static inline pte_t pte_modify(pte_t pte
*
* 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
* 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
- * <--------------- offset ----------------------> < type -> 0 0 0
+ * <--------------- offset ------------------------> < type -> 0 0
*
- * This gives us up to 31 swap files and 64GB per swap file. Note that
+ * This gives us up to 31 swap files and 128GB per swap file. Note that
* the offset field is always non-zero.
*/
-#define __SWP_TYPE_SHIFT 3
+#define __SWP_TYPE_SHIFT 2
#define __SWP_TYPE_BITS 5
#define __SWP_TYPE_MASK ((1 << __SWP_TYPE_BITS) - 1)
#define __SWP_OFFSET_SHIFT (__SWP_TYPE_BITS + __SWP_TYPE_SHIFT)
@@ -342,20 +342,6 @@ static inline pte_t pte_modify(pte_t pte
*/
#define MAX_SWAPFILES_CHECK() BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > __SWP_TYPE_BITS)
-/*
- * Encode and decode a file entry. File entries are stored in the Linux
- * page tables as follows:
- *
- * 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
- * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
- * <----------------------- offset ------------------------> 1 0 0
- */
-#define pte_file(pte) (pte_val(pte) & L_PTE_FILE)
-#define pte_to_pgoff(x) (pte_val(x) >> 3)
-#define pgoff_to_pte(x) __pte(((x) << 3) | L_PTE_FILE)
-
-#define PTE_FILE_MAX_BITS 29
-
/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
/* FIXME: this is not correct */
#define kern_addr_valid(addr) (1)
diff -puN arch/arm/mm/proc-macros.S~arm-drop-l_pte_file-and-pte_file-related-helpers arch/arm/mm/proc-macros.S
--- a/arch/arm/mm/proc-macros.S~arm-drop-l_pte_file-and-pte_file-related-helpers
+++ a/arch/arm/mm/proc-macros.S
@@ -98,7 +98,7 @@
#endif
#if !defined (CONFIG_ARM_LPAE) && \
(L_PTE_XN+L_PTE_USER+L_PTE_RDONLY+L_PTE_DIRTY+L_PTE_YOUNG+\
- L_PTE_FILE+L_PTE_PRESENT) > L_PTE_SHARED
+ L_PTE_PRESENT) > L_PTE_SHARED
#error Invalid Linux PTE bit settings
#endif
#endif /* CONFIG_MMU */
_
Patches currently in -mm which might be from kirill.shutemov@xxxxxxxxxxxxxxx are
origin.patch
mm-add-fields-for-compound-destructor-and-order-into-struct-page.patch
mm-add-vm_bug_on_page-for-page_mapcount.patch
sparc32-fix-broken-set_pte.patch
mm-numa-do-not-dereference-pmd-outside-of-the-lock-during-numa-hinting-fault.patch
mm-add-p-protnone-helpers-for-use-by-numa-balancing.patch
mm-convert-p_numa-users-to-p_protnone_numa.patch
ppc64-add-paranoid-warnings-for-unexpected-dsisr_protfault.patch
mm-convert-p_mknonnuma-and-remaining-page-table-manipulations.patch
mm-remove-remaining-references-to-numa-hinting-bits-and-helpers.patch
mm-numa-do-not-trap-faults-on-the-huge-zero-page.patch
x86-mm-restore-original-pte_special-check.patch
mm-numa-add-paranoid-check-around-pte_protnone_numa.patch
mm-numa-avoid-unnecessary-tlb-flushes-when-setting-numa-hinting-entries.patch
mm-set-page-pfmemalloc-in-prep_new_page.patch
mm-page_alloc-reduce-number-of-alloc_pages-functions-parameters.patch
mm-reduce-try_to_compact_pages-parameters.patch
mm-microoptimize-zonelist-operations.patch
mm-page_allocc-drop-dead-destroy_compound_page.patch
mm-more-checks-on-free_pages_prepare-for-tail-pages.patch
mm-more-checks-on-free_pages_prepare-for-tail-pages-fix-2.patch
microblaze-define-__pagetable_pmd_folded.patch
mm-make-first_user_address-unsigned-long-on-all-archs.patch
mm-asm-generic-define-pud_shift-in-asm-generic-4level-fixuph.patch
arm-define-__pagetable_pmd_folded-for-lpae.patch
mm-account-pmd-page-tables-to-the-process.patch
mm-account-pmd-page-tables-to-the-process-fix.patch
mm-account-pmd-page-tables-to-the-process-fix-2.patch
mm-account-pmd-page-tables-to-the-process-fix-3.patch
mm-fix-false-positive-warning-on-exit-due-mm_nr_pmdsmm.patch
mm-fix-false-positive-warning-on-exit-due-mm_nr_pmdsmm-fix-2.patch
mm-thp-allocate-transparent-hugepages-on-local-node.patch
mm-thp-allocate-transparent-hugepages-on-local-node-fix.patch
mm-mempolicy-merge-alloc_hugepage_vma-to-alloc_pages_vma.patch
mm-gup-add-get_user_pages_locked-and-get_user_pages_unlocked.patch
mm-gup-add-__get_user_pages_unlocked-to-customize-gup_flags.patch
mm-gup-use-get_user_pages_unlocked-within-get_user_pages_fast.patch
mm-gup-use-get_user_pages_unlocked.patch
mm-gup-kvm-use-get_user_pages_unlocked.patch
proc-pagemap-walk-page-tables-under-pte-lock.patch
mm-pagewalk-remove-pgd_entry-and-pud_entry.patch
pagewalk-improve-vma-handling.patch
pagewalk-add-walk_page_vma.patch
smaps-remove-mem_size_stats-vma-and-use-walk_page_vma.patch
clear_refs-remove-clear_refs_private-vma-and-introduce-clear_refs_test_walk.patch
pagemap-use-walk-vma-instead-of-calling-find_vma.patch
numa_maps-fix-typo-in-gather_hugetbl_stats.patch
numa_maps-remove-numa_maps-vma.patch
memcg-cleanup-preparation-for-page-table-walk.patch
arch-powerpc-mm-subpage-protc-use-walk-vma-and-walk_page_vma.patch
mempolicy-apply-page-table-walker-on-queue_pages_range.patch
mm-proc-pid-clear_refs-avoid-split_huge_page.patch
mincore-apply-page-table-walker-on-do_mincore.patch
mm-when-stealing-freepages-also-take-pages-created-by-splitting-buddy-page.patch
mm-always-steal-split-buddies-in-fallback-allocations.patch
mm-more-aggressive-page-stealing-for-unmovable-allocations.patch
mm-incorporate-read-only-pages-into-transparent-huge-pages.patch
mm-do-not-use-mm-nr_pmds-on-mmu-configurations.patch
mm-fix-xip-fault-vs-truncate-race.patch
mm-fix-xip-fault-vs-truncate-race-fix.patch
mm-allow-page-fault-handlers-to-perform-the-cow.patch
mm-allow-page-fault-handlers-to-perform-the-cow-fix.patch
vfsext2-introduce-is_daxinode.patch
daxext2-replace-xip-read-and-write-with-dax-i-o.patch
daxext2-replace-ext2_clear_xip_target-with-dax_clear_blocks.patch
daxext2-replace-the-xip-page-fault-handler-with-the-dax-page-fault-handler.patch
daxext2-replace-the-xip-page-fault-handler-with-the-dax-page-fault-handler-fix.patch
daxext2-replace-xip_truncate_page-with-dax_truncate_page.patch
dax-replace-xip-documentation-with-dax-documentation.patch
vfs-remove-get_xip_mem.patch
ext2-remove-ext2_xip_verify_sb.patch
ext2-remove-ext2_use_xip.patch
ext2-remove-xipc-and-xiph.patch
vfsext2-remove-config_ext2_fs_xip-and-rename-config_fs_xip-to-config_fs_dax.patch
ext2-remove-ext2_aops_xip.patch
ext2-get-rid-of-most-mentions-of-xip-in-ext2.patch
dax-add-dax_zero_page_range.patch
dax-add-dax_zero_page_range-fix.patch
ext4-add-dax-functionality.patch
brd-rename-xip-to-dax.patch
powerpc-drop-_page_file-and-pte_file-related-helpers.patch
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