From: Souptick Joarder <jrdr.linux@xxxxxxxxx> Subject: mm/filemap.c: remove unused argument from shrink_readahead_size_eio() The first argument of shrink_readahead_size_eio() is not used. Hence remove it from the function definition and from all the callers. Link: http://lkml.kernel.org/r/1583868093-24342-1-git-send-email-jrdr.linux@xxxxxxxxx Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/filemap.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) --- a/mm/filemap.c~mm-filemapc-remove-unused-argument-from-shrink_readahead_size_eio +++ a/mm/filemap.c @@ -1962,8 +1962,7 @@ EXPORT_SYMBOL(find_get_pages_range_tag); * * It is going insane. Fix it by quickly scaling down the readahead size. */ -static void shrink_readahead_size_eio(struct file *filp, - struct file_ra_state *ra) +static void shrink_readahead_size_eio(struct file_ra_state *ra) { ra->ra_pages /= 4; } @@ -2188,7 +2187,7 @@ readpage: goto find_page; } unlock_page(page); - shrink_readahead_size_eio(filp, ra); + shrink_readahead_size_eio(ra); error = -EIO; goto readpage_error; } @@ -2560,7 +2559,7 @@ page_not_uptodate: goto retry_find; /* Things didn't work out. Return zero to tell the mm layer so. */ - shrink_readahead_size_eio(file, ra); + shrink_readahead_size_eio(ra); return VM_FAULT_SIGBUS; out_retry: _