Update the setup_hugepagesz function to call the routine hugetlb_bad_size when unsupported hugepage size is found.
Signed-off-by: Vaishali Thakkar <[email protected]> Reviewed-by: Mike Kravetz <[email protected]> Reviewed-by: Naoya Horiguchi <[email protected]> Cc: Hillf Danton <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Yaowei Bai <[email protected]> Cc: Dominik Dingel <[email protected]> Cc: Kirill A. Shutemov <[email protected]> Cc: Paul Gortmaker <[email protected]> Cc: Dave Hansen <[email protected]> --- - Please note that the patch is tested for x86 only. But as this is one line change I just changed them. So, it would be good if the patch can be tested for other architectures before adding this in to mainline. Changes since v1: - Separate different arch specific changes in different patches instead of one --- arch/tile/mm/hugetlbpage.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/tile/mm/hugetlbpage.c b/arch/tile/mm/hugetlbpage.c index e212c64..77ceaa3 100644 --- a/arch/tile/mm/hugetlbpage.c +++ b/arch/tile/mm/hugetlbpage.c @@ -308,11 +308,16 @@ static bool saw_hugepagesz; static __init int setup_hugepagesz(char *opt) { + int rc; + if (!saw_hugepagesz) { saw_hugepagesz = true; memset(huge_shift, 0, sizeof(huge_shift)); } - return __setup_hugepagesz(memparse(opt, NULL)); + rc = __setup_hugepagesz(memparse(opt, NULL)); + if (rc) + hugetlb_bad_size(); + return rc; } __setup("hugepagesz=", setup_hugepagesz); -- 2.1.4

