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Groups > linux.kernel > #1304970
| From | Matthew Wilcox <matthew.r.wilcox@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v3 8/8] ext4: Support for PUD-sized transparent huge pages |
| Date | 2016-01-08 21:00 +0100 |
| Message-ID | <qOLmz-32e-27@gated-at.bofh.it> (permalink) |
| References | <qOLmy-32e-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Matthew Wilcox <willy@linux.intel.com> ext4 needs to reserve enough space in the journal to allocate a PUD-sized page. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> --- fs/ext4/file.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 665fc4b..cec5fa7 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -211,6 +211,10 @@ static int ext4_dax_fault(struct vm_area_struct *vma, struct vm_fault *vmf) nblocks = ext4_chunk_trans_blocks(inode, PMD_SIZE / PAGE_SIZE); break; + case FAULT_FLAG_SIZE_PUD: + nblocks = ext4_chunk_trans_blocks(inode, + PUD_SIZE / PAGE_SIZE); + break; default: return VM_FAULT_FALLBACK; } -- 2.6.4
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[PATCH v3 0/8] Support for transparent PUD pages for DAX files Matthew Wilcox <matthew.r.wilcox@intel.com> - 2016-01-08 21:00 +0100 [PATCH v3 7/8] dax: Support for transparent PUD pages Matthew Wilcox <matthew.r.wilcox@intel.com> - 2016-01-08 21:00 +0100 [PATCH v3 8/8] ext4: Support for PUD-sized transparent huge pages Matthew Wilcox <matthew.r.wilcox@intel.com> - 2016-01-08 21:00 +0100 [PATCH v3 4/8] mincore: Add support for PUDs Matthew Wilcox <matthew.r.wilcox@intel.com> - 2016-01-08 21:00 +0100 [PATCH v3 2/8] mm,fs,dax: Change ->pmd_fault to ->huge_fault Matthew Wilcox <matthew.r.wilcox@intel.com> - 2016-01-08 21:00 +0100 [PATCH v3 5/8] procfs: Add support for PUDs to smaps, clear_refs and pagemap Matthew Wilcox <matthew.r.wilcox@intel.com> - 2016-01-08 21:00 +0100 [PATCH v3 6/8] x86: Add support for PUD-sized transparent hugepages Matthew Wilcox <matthew.r.wilcox@intel.com> - 2016-01-08 21:00 +0100 [PATCH v3 3/8] mm: Add support for PUD-sized transparent hugepages Matthew Wilcox <matthew.r.wilcox@intel.com> - 2016-01-08 21:00 +0100
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