Messages in this thread Patch in this message | | | From | "Kirill A. Shutemov" <> | Subject | [PATCH, RFC 15/16] thp, mm: split huge page on mmap file page | Date | Mon, 28 Jan 2013 11:24:27 +0200 |
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From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
We are not ready to mmap file-backed tranparent huge pages. Let's split them on mmap() attempt.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> --- mm/filemap.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/mm/filemap.c b/mm/filemap.c index a7331fb..2e08582 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1692,6 +1692,8 @@ retry_find: goto no_cached_page; } + if (PageTransCompound(page)) + split_huge_page(page); if (!lock_page_or_retry(page, vma->vm_mm, vmf->flags)) { page_cache_release(page); return ret | VM_FAULT_RETRY; -- 1.7.10.4
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