The name of the flag should be printed using default_str_spec. There's no difference in the output after this change because the string is printed as-is with both default_dec_spec and default_flag_spec.
This patch is a followup of the patchset "mm, vsprintf: dump full information of page flags in pGp" [1] [1]. https://lore.kernel.org/linux-mm/[email protected]/ Signed-off-by: Yafang Shao <[email protected]> Cc: Petr Mladek <[email protected]> Cc: Matthew Wilcox <[email protected]> Cc: Andy Shevchenko <[email protected]> Cc: Vlastimil Babka <[email protected]> Cc: Miaohe Lin <[email protected]> Cc: Joe Perches <[email protected]> Cc: David Hildenbrand <[email protected]> --- lib/vsprintf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 533ac5404180..5d034e799c06 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -1963,7 +1963,7 @@ char *format_page_flags(char *buf, char *end, unsigned long flags) buf++; } - buf = string(buf, end, p->name, *p->spec); + buf = string(buf, end, p->name, default_str_spec); if (buf < end) *buf = '='; buf++; -- 2.17.1
