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mm: use is_migrate_highatomic() to simplify the code

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Introduce two helpers, is_migrate_highatomic() and is_migrate_highatomic_page().

Simplify the code, no functional changes.

[[email protected]: use static inlines rather than macros, per mhocko]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Xishi Qiu <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Xishi Qiu 2017-05-03 14:52:52 -07:00 • committed by Linus Torvalds
commit a6ffdc0784
3 changed files with 17 additions and 9 deletions
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10
mm/internal.h
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@ -510,4 +510,14 @@ extern const struct trace_print_flags pageflag_names[];
extern const struct trace_print_flags vmaflag_names[];
extern const struct trace_print_flags gfpflag_names[];
static inline bool is_migrate_highatomic(enum migratetype migratetype)
{
return migratetype == MIGRATE_HIGHATOMIC;
}
static inline bool is_migrate_highatomic_page(struct page *page)
{
return get_pageblock_migratetype(page) == MIGRATE_HIGHATOMIC;
}
#endif /* __MM_INTERNAL_H */