It would be useful to translate gfp_flags into string representation when printing in case of an allocation failure, especially as the flags have been undergoing some changes recently and the script ./scripts/gfp-translate needs a matching source version to be accurate.
Example output: stapio: page allocation failure: order:9, mode:0x2080020(GFP_ATOMIC) Signed-off-by: Vlastimil Babka <[email protected]> Cc: Joonsoo Kim <[email protected]> Cc: Minchan Kim <[email protected]> Cc: Sasha Levin <[email protected]> Cc: "Kirill A. Shutemov" <[email protected]> Cc: Mel Gorman <[email protected]> Acked-by: Michal Hocko <[email protected]> --- mm/page_alloc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 25409714160e..08e514721a57 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2689,9 +2689,8 @@ void warn_alloc_failed(gfp_t gfp_mask, unsigned int order, const char *fmt, ...) va_end(args); } - pr_warn("%s: page allocation failure: order:%u, mode:0x%x\n", - current->comm, order, gfp_mask); - + pr_warn("%s: page allocation failure: order:%u, mode:%#x(%pgg)\n", + current->comm, order, gfp_mask, &gfp_mask); dump_stack(); if (!should_suppress_show_mem()) show_mem(filter); -- 2.6.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
