Messages in this thread Patch in this message | | | From | Song Liu <> | Subject | [PATCH v8 2/6] filemap: update offset check in filemap_fault() | Date | Mon, 24 Jun 2019 15:29:47 -0700 |
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With THP, current check of offset:
VM_BUG_ON_PAGE(page->index != offset, page);
is no longer accurate. Update it to:
VM_BUG_ON_PAGE(page_to_pgoff(page) != offset, page);
Acked-by: Rik van Riel <riel@surriel.com> Signed-off-by: Song Liu <songliubraving@fb.com> --- mm/filemap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/filemap.c b/mm/filemap.c index f5b79a43946d..5f072a113535 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2522,7 +2522,7 @@ vm_fault_t filemap_fault(struct vm_fault *vmf) put_page(page); goto retry_find; } - VM_BUG_ON_PAGE(page->index != offset, page); + VM_BUG_ON_PAGE(page_to_pgoff(page) != offset, page); /* * We have a locked page in the page cache, now we need to check -- 2.17.1
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