From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: Theodore Ts'o <tytso@mit.edu>,
Andreas Dilger <adilger.kernel@dilger.ca>,
Jan Kara <jack@suse.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>,
Hugh Dickins <hughd@google.com>,
Andrea Arcangeli <aarcange@redhat.com>,
Dave Hansen <dave.hansen@intel.com>,
Vlastimil Babka <vbabka@suse.cz>,
Matthew Wilcox <willy@infradead.org>,
Ross Zwisler <ross.zwisler@linux.intel.com>,
linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-block@vger.kernel.org
Subject: Re: [PATCHv3 19/41] block: define BIO_MAX_PAGES to HPAGE_PMD_NR if huge page cache enabled
Date: Fri, 16 Sep 2016 15:09:03 +0300 [thread overview]
Message-ID: <20160916120903.GB72667@black.fi.intel.com> (raw)
In-Reply-To: <20160915115523.29737-20-kirill.shutemov@linux.intel.com>
On Thu, Sep 15, 2016 at 02:55:01PM +0300, Kirill A. Shutemov wrote:
> We are going to do IO a huge page a time. So we need BIO_MAX_PAGES to be
> at least HPAGE_PMD_NR. For x86-64, it's 512 pages.
0-DAY reported this:
[ 2.555776] PCI: Using configuration type 1 for base access
[ 2.870504] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[ 2.885252] ------------[ cut here ]------------
[ 2.887501] WARNING: CPU: 0 PID: 1 at mm/slab_common.c:98 kmem_cache_create+0xbc/0x18b
[ 2.891987] Modules linked in:
[ 2.893538] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.0-rc6-00021-gd96a38d #421
[ 2.897164] 00000000 00200246 cef0decc c141aa9e 00000000 c11279b6 cef0dee4 c104990a
[ 2.908396] 00000062 c1a820f0 c1b752f4 c1999b09 cef0def8 c104999c 00000009 00000000
[ 2.912555] 00000000 cef0df1c c11279b6 00000000 c1999afe 00001800 6bc01ac0 c1b3d0bc
[ 2.916733] Call Trace:
[ 2.930981] [<c141aa9e>] dump_stack+0x74/0xa7
[ 2.933128] [<c11279b6>] ? kmem_cache_create+0xbc/0x18b
[ 2.935630] [<c104990a>] __warn+0xbc/0xd3
[ 2.937586] [<c1b752f4>] ? x509_key_init+0xf/0xf
[ 2.939837] [<c104999c>] warn_slowpath_null+0x16/0x1b
[ 2.942279] [<c11279b6>] kmem_cache_create+0xbc/0x18b
[ 2.957745] [<c1b752f4>] ? x509_key_init+0xf/0xf
[ 2.960010] [<c1b7534c>] init_bio+0x58/0x94
[ 2.962048] [<c10004a8>] do_one_initcall+0x83/0x103
[ 2.964428] [<c1061d24>] ? parse_args+0x1c9/0x29c
[ 2.966725] [<c1b41cc0>] ? kernel_init_freeable+0x16f/0x20c
[ 2.969400] [<c1b41ce0>] kernel_init_freeable+0x18f/0x20c
[ 2.994076] [<c1731e6a>] kernel_init+0xd/0xd5
[ 2.996185] [<c17385ae>] ret_from_kernel_thread+0xe/0x30
[ 2.998748] [<c1731e5d>] ? rest_init+0xa6/0xa6
[ 3.000968] ---[ end trace 197bc755366f9a86 ]---
[ 3.021244] ACPI: Added _OSI(Module Device)
Fix up:
diff --git a/block/bio.c b/block/bio.c
index aa7354088008..a06bf174cddf 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -44,7 +44,8 @@
*/
#define BV(x) { .nr_vecs = x, .name = "biovec-"__stringify(x) }
static struct biovec_slab bvec_slabs[BVEC_POOL_NR] __read_mostly = {
- BV(1), BV(4), BV(16), BV(64), BV(128), BV(BIO_MAX_PAGES),
+ BV(1), BV(4), BV(16), BV(64), BV(128),
+ { .nr_vecs = BIO_MAX_PAGES, .name ="biovec-max_pages" },
};
#undef BV
--
Kirill A. Shutemov
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next prev parent reply other threads:[~2016-09-16 12:09 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-15 11:54 [PATCHv3 00/41] ext4: support of huge pages Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 01/41] tools: Add WARN_ON_ONCE Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 02/41] radix tree test suite: Allow GFP_ATOMIC allocations to fail Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 03/41] radix-tree: Add radix_tree_join Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 04/41] radix-tree: Add radix_tree_split Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 05/41] radix-tree: Add radix_tree_split_preload() Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 06/41] radix-tree: Handle multiorder entries being deleted by replace_clear_tags Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 07/41] mm, shmem: swich huge tmpfs to multi-order radix-tree entries Kirill A. Shutemov
2016-09-16 12:07 ` Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 08/41] Revert "radix-tree: implement radix_tree_maybe_preload_order()" Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 09/41] page-flags: relax page flag policy for few flags Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 10/41] mm, rmap: account file thp pages Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 11/41] thp: try to free page's buffers before attempt split Kirill A. Shutemov
2016-10-11 15:40 ` Jan Kara
2016-10-11 21:43 ` Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 12/41] thp: handle write-protection faults for file THP Kirill A. Shutemov
2016-10-11 15:47 ` Jan Kara
2016-10-11 21:47 ` Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 13/41] truncate: make sure invalidate_mapping_pages() can discard huge pages Kirill A. Shutemov
2016-10-11 15:58 ` Jan Kara
2016-10-11 21:53 ` Kirill A. Shutemov
2016-10-12 6:43 ` Jan Kara
2016-10-24 10:41 ` Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 14/41] filemap: allocate huge page in page_cache_read(), if allowed Kirill A. Shutemov
2016-10-11 16:15 ` Jan Kara
2016-10-11 21:57 ` Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 15/41] filemap: handle huge pages in do_generic_file_read() Kirill A. Shutemov
2016-10-13 9:33 ` Jan Kara
2016-10-31 18:10 ` Kirill A. Shutemov
2016-11-01 16:39 ` Jan Kara
2016-11-02 8:32 ` Kirill A. Shutemov
2016-11-02 14:37 ` Christoph Hellwig
2016-11-03 20:40 ` Jan Kara
2016-11-07 11:07 ` Kirill A. Shutemov
2016-11-07 14:59 ` Christoph Hellwig
2016-11-02 14:36 ` Christoph Hellwig
2016-11-03 17:56 ` Jan Kara
2016-11-07 11:13 ` Kirill A. Shutemov
2016-11-07 15:01 ` Christoph Hellwig
2016-11-07 16:03 ` Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 16/41] filemap: allocate huge page in pagecache_get_page(), if allowed Kirill A. Shutemov
2016-09-15 11:54 ` [PATCHv3 17/41] filemap: handle huge pages in filemap_fdatawait_range() Kirill A. Shutemov
2016-10-13 9:44 ` Jan Kara
2016-10-13 12:08 ` Kirill A. Shutemov
2016-10-13 13:18 ` Jan Kara
2016-10-24 11:36 ` Kirill A. Shutemov
2016-10-30 17:31 ` Jan Kara
2016-09-15 11:55 ` [PATCHv3 18/41] HACK: readahead: alloc huge pages, if allowed Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 19/41] block: define BIO_MAX_PAGES to HPAGE_PMD_NR if huge page cache enabled Kirill A. Shutemov
2016-09-16 12:09 ` Kirill A. Shutemov [this message]
2016-09-15 11:55 ` [PATCHv3 20/41] mm: make write_cache_pages() work on huge pages Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 21/41] thp: introduce hpage_size() and hpage_mask() Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 22/41] thp: do not threat slab pages as huge in hpage_{nr_pages,size,mask} Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 23/41] fs: make block_read_full_page() be able to read huge page Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 24/41] fs: make block_write_{begin,end}() be able to handle huge pages Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 25/41] fs: make block_page_mkwrite() aware about " Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 26/41] truncate: make truncate_inode_pages_range() " Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 27/41] truncate: make invalidate_inode_pages2_range() " Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 28/41] mm, hugetlb: switch hugetlbfs to multi-order radix-tree entries Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 29/41] ext4: make ext4_mpage_readpages() hugepage-aware Kirill A. Shutemov
2016-09-15 12:27 ` Andreas Dilger
2016-09-16 12:17 ` Kirill A. Shutemov
2016-09-16 12:10 ` Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 30/41] ext4: make ext4_writepage() work on huge pages Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 31/41] ext4: handle huge pages in ext4_page_mkwrite() Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 32/41] ext4: handle huge pages in __ext4_block_zero_page_range() Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 33/41] ext4: make ext4_block_write_begin() aware about huge pages Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 34/41] ext4: handle huge pages in ext4_da_write_end() Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 35/41] ext4: make ext4_da_page_release_reservation() aware about huge pages Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 36/41] ext4: handle writeback with " Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 37/41] ext4: make EXT4_IOC_MOVE_EXT work " Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 38/41] ext4: fix SEEK_DATA/SEEK_HOLE for " Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 39/41] ext4: make fallocate() operations work with " Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 40/41] mm, fs, ext4: expand use of page_mapping() and page_to_pgoff() Kirill A. Shutemov
2016-09-15 11:55 ` [PATCHv3 41/41] ext4, vfs: add huge= mount option Kirill A. Shutemov
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