diff options
Diffstat (limited to 'include/linux/gfp.h')
| -rw-r--r-- | include/linux/gfp.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/gfp.h b/include/linux/gfp.h index c89f8456f18d..e499bca54044 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -608,6 +608,15 @@ static inline bool pm_suspended_storage(void) } #endif /* CONFIG_PM_SLEEP */ +/* + * Check if the gfp flags allow compaction - GFP_NOIO is a really + * tricky context because the migration might require IO. + */ +static inline bool gfp_compaction_allowed(gfp_t gfp_mask) +{ + return IS_ENABLED(CONFIG_COMPACTION) && (gfp_mask & __GFP_IO); +} + #ifdef CONFIG_CONTIG_ALLOC /* The below functions must be run on a range from a single zone. */ extern int alloc_contig_range(unsigned long start, unsigned long end, |