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author | Jani Nikula <jani.nikula@intel.com> | 2018-11-02 09:00:55 +0200 |
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committer | Jani Nikula <jani.nikula@intel.com> | 2018-11-02 09:01:28 +0200 |
commit | 7a085c3aad94cce7e11031c6800e41668418ae4c (patch) | |
tree | b3474f8bd622f87ad39227057f9de60959c8bd95 /fs/dax.c | |
parent | 18cde299df33ff73908f7e5dcebf321fb79ed36c (diff) | |
parent | f9885ef875e9160454392f85159163674159c51f (diff) | |
download | linux-stable-7a085c3aad94cce7e11031c6800e41668418ae4c.tar.gz linux-stable-7a085c3aad94cce7e11031c6800e41668418ae4c.tar.bz2 linux-stable-7a085c3aad94cce7e11031c6800e41668418ae4c.zip |
Merge drm/drm-next into drm-intel-next-queued
Although there's nothing crucial missing, it's been a long time since
the last backmerge. Catch up with drm-next.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'fs/dax.c')
-rw-r--r-- | fs/dax.c | 14 |
1 files changed, 3 insertions, 11 deletions
@@ -447,6 +447,7 @@ bool dax_lock_mapping_entry(struct page *page) xa_unlock_irq(&mapping->i_pages); break; } else if (IS_ERR(entry)) { + xa_unlock_irq(&mapping->i_pages); WARN_ON_ONCE(PTR_ERR(entry) != -EAGAIN); continue; } @@ -1120,21 +1121,12 @@ static vm_fault_t dax_load_hole(struct address_space *mapping, void *entry, { struct inode *inode = mapping->host; unsigned long vaddr = vmf->address; - vm_fault_t ret = VM_FAULT_NOPAGE; - struct page *zero_page; - pfn_t pfn; - - zero_page = ZERO_PAGE(0); - if (unlikely(!zero_page)) { - ret = VM_FAULT_OOM; - goto out; - } + pfn_t pfn = pfn_to_pfn_t(my_zero_pfn(vaddr)); + vm_fault_t ret; - pfn = page_to_pfn_t(zero_page); dax_insert_mapping_entry(mapping, vmf, entry, pfn, RADIX_DAX_ZERO_PAGE, false); ret = vmf_insert_mixed(vmf->vma, vaddr, pfn); -out: trace_dax_load_hole(inode, vmf, ret); return ret; } |