From: John David Anglin <dave.anglin@bell.net>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
linux-mm@kvack.org, linux-arch@vger.kernel.org
Cc: linux-kernel@vger.kernel.org,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
Helge Deller <deller@gmx.de>,
linux-parisc@vger.kernel.org
Subject: Re: [PATCH v3 18/34] parisc: Implement the new page table range API
Date: Thu, 2 Mar 2023 11:43:06 -0500 [thread overview]
Message-ID: <9bb5280e-c875-6eee-b28e-2abc03427e5f@bell.net> (raw)
In-Reply-To: <20230228213738.272178-19-willy@infradead.org>
On 2023-02-28 4:37 p.m., Matthew Wilcox (Oracle) wrote:
> Add set_ptes(), update_mmu_cache_range(), flush_dcache_folio()
> and flush_icache_pages(). Change the PG_arch_1 (aka PG_dcache_dirty) flag
> from being per-page to per-folio.
I have tested this change on rp3440 at mainline commit e492250d5252635b6c97d52eddf2792ec26f1ec1
and c8000 at mainline commit ee3f96b164688dae21e2466a57f2e806b64e8a37.
So far, I haven't seen an issues on c8000. On rp3440, I saw the following:
_swap_info_get: Unused swap offset entry 00000320
BUG: Bad page map in process buildd pte:00032100 pmd:003606c3
addr:0000000000482000 vm_flags:00100077 anon_vma:0000000066f61340 mapping:0000000000000000 index:482
file:(null) fault:0x0 mmap:0x0 read_folio:0x0
CPU: 0 PID: 6813 Comm: buildd Not tainted 6.2.0+ #1
Hardware name: 9000/800/rp3440
Backtrace:
[<000000004020af50>] show_stack+0x70/0x90
[<0000000040b7d408>] dump_stack_lvl+0xd8/0x128
[<0000000040b7d48c>] dump_stack+0x34/0x48
[<00000000404513a4>] print_bad_pte+0x24c/0x318
[<00000000404560dc>] zap_pte_range+0x8d4/0x958
[<0000000040456398>] unmap_page_range+0x1d8/0x490
[<000000004045681c>] unmap_vmas+0x10c/0x1a8
[<0000000040466330>] exit_mmap+0x198/0x4a0
[<0000000040235cbc>] mmput+0x114/0x2a8
[<0000000040244e90>] do_exit+0x4e0/0xc68
[<0000000040245938>] do_group_exit+0x68/0x128
[<000000004025967c>] get_signal+0xae4/0xb60
[<000000004021a570>] do_signal+0x50/0x228
[<000000004021ab38>] do_notify_resume+0x68/0x150
[<00000000402030b4>] intr_check_sig+0x38/0x3c
Disabling lock debugging due to kernel taint
_swap_info_get: Unused swap offset entry 000003a9
BUG: Bad page map in process buildd pte:0003a940 pmd:003606c3
addr:0000000000523000 vm_flags:00100077 anon_vma:0000000066f61340 mapping:0000000000000000 index:523
file:(null) fault:0x0 mmap:0x0 read_folio:0x0
CPU: 2 PID: 6813 Comm: buildd Tainted: G B 6.2.0+ #1
Hardware name: 9000/800/rp3440
Backtrace:
[<000000004020af50>] show_stack+0x70/0x90
[<0000000040b7d408>] dump_stack_lvl+0xd8/0x128
[<0000000040b7d48c>] dump_stack+0x34/0x48
[<00000000404513a4>] print_bad_pte+0x24c/0x318
[<00000000404560dc>] zap_pte_range+0x8d4/0x958
[<0000000040456398>] unmap_page_range+0x1d8/0x490
[<000000004045681c>] unmap_vmas+0x10c/0x1a8
[<0000000040466330>] exit_mmap+0x198/0x4a0
[<0000000040235cbc>] mmput+0x114/0x2a8
[<0000000040244e90>] do_exit+0x4e0/0xc68
[<0000000040245938>] do_group_exit+0x68/0x128
[<000000004025967c>] get_signal+0xae4/0xb60
[<000000004021a570>] do_signal+0x50/0x228
[<000000004021ab38>] do_notify_resume+0x68/0x150
[<00000000402030b4>] intr_check_sig+0x38/0x3c
[...]
pagefault_out_of_memory: 1158973 callbacks suppressed
Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF
Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF
Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF
Rebooted rp3440. Since then, I haven't seen any more problems.
Dave
--
John David Anglin dave.anglin@bell.net
next prev parent reply other threads:[~2023-03-02 16:46 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-28 21:37 [PATCH v3 00/34] New page table range API Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 01/34] mm: Convert page_table_check_pte_set() to page_table_check_ptes_set() Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 02/34] mm: Add generic flush_icache_pages() and documentation Matthew Wilcox (Oracle)
2023-03-15 9:27 ` Mike Rapoport
2023-02-28 21:37 ` [PATCH v3 03/34] mm: Add folio_flush_mapping() Matthew Wilcox (Oracle)
2023-03-03 10:33 ` Mike Rapoport
2023-02-28 21:37 ` [PATCH v3 04/34] mm: Remove ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 05/34] alpha: Implement the new page table range API Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 06/34] arc: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 07/34] arm: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 08/34] arm64: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` Matthew Wilcox (Oracle)
2023-03-09 11:03 ` Ryan Roberts
2023-03-09 11:03 ` Ryan Roberts
2023-02-28 21:37 ` [PATCH v3 09/34] csky: " Matthew Wilcox (Oracle)
2023-03-03 11:40 ` Mike Rapoport
2023-02-28 21:37 ` [PATCH v3 10/34] hexagon: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 11/34] ia64: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` Matthew Wilcox (Oracle)
2023-03-03 11:56 ` Mike Rapoport
2023-03-03 11:56 ` Mike Rapoport
2023-03-03 14:36 ` Matthew Wilcox
2023-03-03 14:36 ` Matthew Wilcox
2023-02-28 21:37 ` [PATCH v3 12/34] loongarch: " Matthew Wilcox (Oracle)
2023-03-01 2:04 ` WANG Xuerui
2023-02-28 21:37 ` [PATCH v3 13/34] m68k: " Matthew Wilcox (Oracle)
2023-03-05 10:16 ` Geert Uytterhoeven
2023-03-05 15:28 ` Matthew Wilcox
2023-03-05 16:48 ` Geert Uytterhoeven
2023-03-05 20:44 ` Michael Schmitz
2023-03-06 7:21 ` Geert Uytterhoeven
2023-03-06 23:01 ` Michael Schmitz
2023-02-28 21:37 ` [PATCH v3 14/34] microblaze: " Matthew Wilcox (Oracle)
2023-03-03 10:53 ` Mike Rapoport
2023-03-03 14:38 ` Matthew Wilcox
2023-02-28 21:37 ` [PATCH v3 15/34] mips: " Matthew Wilcox (Oracle)
2023-03-03 12:24 ` Mike Rapoport
2023-02-28 21:37 ` [PATCH v3 16/34] nios2: " Matthew Wilcox (Oracle)
2023-03-03 12:49 ` Mike Rapoport
2023-02-28 21:37 ` [PATCH v3 17/34] openrisc: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 18/34] parisc: " Matthew Wilcox (Oracle)
2023-03-02 16:43 ` John David Anglin [this message]
2023-03-02 20:40 ` John David Anglin
2023-03-04 16:27 ` John David Anglin
2023-02-28 21:37 ` [PATCH v3 19/34] powerpc: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 20/34] riscv: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` Matthew Wilcox (Oracle)
2023-03-15 5:23 ` Palmer Dabbelt
2023-03-15 5:23 ` Palmer Dabbelt
2023-02-28 21:37 ` [PATCH v3 21/34] s390: " Matthew Wilcox (Oracle)
2023-03-02 13:31 ` Gerald Schaefer
2023-02-28 21:37 ` [PATCH v3 22/34] superh: " Matthew Wilcox (Oracle)
2023-03-01 8:06 ` Geert Uytterhoeven
2023-03-01 16:17 ` Matthew Wilcox
2023-02-28 21:37 ` [PATCH v3 23/34] sparc32: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 24/34] sparc64: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 25/34] um: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 26/34] x86: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 27/34] xtensa: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 28/34] mm: Remove page_mapping_file() Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 29/34] mm: Rationalise flush_icache_pages() and flush_icache_page() Matthew Wilcox (Oracle)
2023-03-05 9:53 ` Geert Uytterhoeven
2023-02-28 21:37 ` [PATCH v3 30/34] mm: Use flush_icache_pages() in do_set_pmd() Matthew Wilcox (Oracle)
2023-03-03 14:02 ` Mike Rapoport
2023-03-03 16:02 ` Matthew Wilcox
2023-02-28 21:37 ` [PATCH v3 31/34] filemap: Add filemap_map_folio_range() Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 32/34] rmap: add folio_add_file_rmap_range() Matthew Wilcox (Oracle)
2023-03-01 3:04 ` Yin, Fengwei
2023-02-28 21:37 ` [PATCH v3 33/34] mm: Convert do_set_pte() to set_pte_range() Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 34/34] filemap: Batch PTE mappings Matthew Wilcox (Oracle)
2023-03-03 14:19 ` [PATCH v3 00/34] New page table range API Mike Rapoport
2023-03-05 10:15 ` Geert Uytterhoeven
2023-03-09 11:09 ` Ryan Roberts
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