As suggested by Andy Shevchenko, use helper macro to decrease chances of typo when defining pageflag_names. Link: https://lore.kernel.org/lkml/Y6AycLbpjVzXM5I9@xxxxxxxxxxxxxxxxxx Signed-off-by: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx> --- include/trace/events/mmflags.h | 85 ++++++++++++++++++---------------- 1 file changed, 44 insertions(+), 41 deletions(-) diff --git a/include/trace/events/mmflags.h b/include/trace/events/mmflags.h index 9db52bc4ce19..f453babe29b3 100644 --- a/include/trace/events/mmflags.h +++ b/include/trace/events/mmflags.h @@ -67,71 +67,74 @@ ) : "none" #ifdef CONFIG_MMU -#define IF_HAVE_PG_MLOCK(flag,string) ,{1UL << flag, string} +#define IF_HAVE_PG_MLOCK(_name) ,{1UL << PG_##_name, __stringify(_name)} #else -#define IF_HAVE_PG_MLOCK(flag,string) +#define IF_HAVE_PG_MLOCK(_name) #endif #ifdef CONFIG_ARCH_USES_PG_UNCACHED -#define IF_HAVE_PG_UNCACHED(flag,string) ,{1UL << flag, string} +#define IF_HAVE_PG_UNCACHED(_name) ,{1UL << PG_##_name, __stringify(_name)} #else -#define IF_HAVE_PG_UNCACHED(flag,string) +#define IF_HAVE_PG_UNCACHED(_name) #endif #ifdef CONFIG_MEMORY_FAILURE -#define IF_HAVE_PG_HWPOISON(flag,string) ,{1UL << flag, string} +#define IF_HAVE_PG_HWPOISON(_name) ,{1UL << PG_##_name, __stringify(_name)} #else -#define IF_HAVE_PG_HWPOISON(flag,string) +#define IF_HAVE_PG_HWPOISON(_name) #endif #if defined(CONFIG_PAGE_IDLE_FLAG) && defined(CONFIG_64BIT) -#define IF_HAVE_PG_IDLE(flag,string) ,{1UL << flag, string} +#define IF_HAVE_PG_IDLE(_name) ,{1UL << PG_##_name, __stringify(_name)} #else -#define IF_HAVE_PG_IDLE(flag,string) +#define IF_HAVE_PG_IDLE(_name) #endif #ifdef CONFIG_ARCH_USES_PG_ARCH_X -#define IF_HAVE_PG_ARCH_X(flag,string) ,{1UL << flag, string} +#define IF_HAVE_PG_ARCH_X(_name) ,{1UL << PG_##_name, __stringify(_name)} #else -#define IF_HAVE_PG_ARCH_X(flag,string) +#define IF_HAVE_PG_ARCH_X(_name) #endif #ifdef CONFIG_KASAN_HW_TAGS -#define IF_HAVE_PG_SKIP_KASAN_POISON(flag,string) ,{1UL << flag, string} +#define IF_HAVE_PG_SKIP_KASAN_POISON(_name) \ + ,{1UL << PG_##_name, __stringify(_name)} #else -#define IF_HAVE_PG_SKIP_KASAN_POISON(flag,string) +#define IF_HAVE_PG_SKIP_KASAN_POISON(_name) #endif +#define DEF_PAGEFLAG_NAME(_name) { 1UL << PG_##_name, __stringify(_name) } + #define __def_pageflag_names \ - {1UL << PG_locked, "locked" }, \ - {1UL << PG_waiters, "waiters" }, \ - {1UL << PG_error, "error" }, \ - {1UL << PG_referenced, "referenced" }, \ - {1UL << PG_uptodate, "uptodate" }, \ - {1UL << PG_dirty, "dirty" }, \ - {1UL << PG_lru, "lru" }, \ - {1UL << PG_active, "active" }, \ - {1UL << PG_workingset, "workingset" }, \ - {1UL << PG_slab, "slab" }, \ - {1UL << PG_owner_priv_1, "owner_priv_1" }, \ - {1UL << PG_arch_1, "arch_1" }, \ - {1UL << PG_reserved, "reserved" }, \ - {1UL << PG_private, "private" }, \ - {1UL << PG_private_2, "private_2" }, \ - {1UL << PG_writeback, "writeback" }, \ - {1UL << PG_head, "head" }, \ - {1UL << PG_mappedtodisk, "mappedtodisk" }, \ - {1UL << PG_reclaim, "reclaim" }, \ - {1UL << PG_swapbacked, "swapbacked" }, \ - {1UL << PG_unevictable, "unevictable" } \ -IF_HAVE_PG_MLOCK(PG_mlocked, "mlocked" ) \ -IF_HAVE_PG_UNCACHED(PG_uncached, "uncached" ) \ -IF_HAVE_PG_HWPOISON(PG_hwpoison, "hwpoison" ) \ -IF_HAVE_PG_IDLE(PG_young, "young" ) \ -IF_HAVE_PG_IDLE(PG_idle, "idle" ) \ -IF_HAVE_PG_ARCH_X(PG_arch_2, "arch_2" ) \ -IF_HAVE_PG_ARCH_X(PG_arch_3, "arch_3" ) \ -IF_HAVE_PG_SKIP_KASAN_POISON(PG_skip_kasan_poison, "skip_kasan_poison") + DEF_PAGEFLAG_NAME(locked), \ + DEF_PAGEFLAG_NAME(waiters), \ + DEF_PAGEFLAG_NAME(error), \ + DEF_PAGEFLAG_NAME(referenced), \ + DEF_PAGEFLAG_NAME(uptodate), \ + DEF_PAGEFLAG_NAME(dirty), \ + DEF_PAGEFLAG_NAME(lru), \ + DEF_PAGEFLAG_NAME(active), \ + DEF_PAGEFLAG_NAME(workingset), \ + DEF_PAGEFLAG_NAME(slab), \ + DEF_PAGEFLAG_NAME(owner_priv_1), \ + DEF_PAGEFLAG_NAME(arch_1), \ + DEF_PAGEFLAG_NAME(reserved), \ + DEF_PAGEFLAG_NAME(private), \ + DEF_PAGEFLAG_NAME(private_2), \ + DEF_PAGEFLAG_NAME(writeback), \ + DEF_PAGEFLAG_NAME(head), \ + DEF_PAGEFLAG_NAME(mappedtodisk), \ + DEF_PAGEFLAG_NAME(reclaim), \ + DEF_PAGEFLAG_NAME(swapbacked), \ + DEF_PAGEFLAG_NAME(unevictable) \ +IF_HAVE_PG_MLOCK(mlocked) \ +IF_HAVE_PG_UNCACHED(uncached) \ +IF_HAVE_PG_HWPOISON(hwpoison) \ +IF_HAVE_PG_IDLE(idle) \ +IF_HAVE_PG_IDLE(young) \ +IF_HAVE_PG_ARCH_X(arch_2) \ +IF_HAVE_PG_ARCH_X(arch_3) \ +IF_HAVE_PG_SKIP_KASAN_POISON(skip_kasan_poison) #define show_page_flags(flags) \ (flags) ? __print_flags(flags, "|", \ -- 2.39.1