diff options
Diffstat (limited to 'fs/pstore')
| -rw-r--r-- | fs/pstore/ram_core.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c index 97dde525150a..966191d3a5ba 100644 --- a/fs/pstore/ram_core.c +++ b/fs/pstore/ram_core.c @@ -440,7 +440,11 @@ static void *persistent_ram_vmap(phys_addr_t start, size_t size, phys_addr_t addr = page_start + i * PAGE_SIZE; pages[i] = pfn_to_page(addr >> PAGE_SHIFT); } - vaddr = vmap(pages, page_count, VM_MAP, prot); + /* + * VM_IOREMAP used here to bypass this region during vread() + * and kmap_atomic() (i.e. kcore) to avoid __va() failures. + */ + vaddr = vmap(pages, page_count, VM_MAP | VM_IOREMAP, prot); kfree(pages); /* |