diff options
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 09ba67487897..26c6fe74f5c5 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3096,7 +3096,7 @@ out: static struct page * __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, unsigned int alloc_flags, const struct alloc_context *ac, - enum migrate_mode mode, enum compact_result *compact_result) + enum compact_priority prio, enum compact_result *compact_result) { struct page *page; int contended_compaction; @@ -3106,7 +3106,7 @@ __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, current->flags |= PF_MEMALLOC; *compact_result = try_to_compact_pages(gfp_mask, order, alloc_flags, ac, - mode, &contended_compaction); + prio, &contended_compaction); current->flags &= ~PF_MEMALLOC; if (*compact_result <= COMPACT_INACTIVE) @@ -3160,7 +3160,8 @@ __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, static inline bool should_compact_retry(struct alloc_context *ac, int order, int alloc_flags, - enum compact_result compact_result, enum migrate_mode *migrate_mode, + enum compact_result compact_result, + enum compact_priority *compact_priority, int compaction_retries) { int max_retries = MAX_COMPACT_RETRIES; @@ -3171,11 +3172,11 @@ should_compact_retry(struct alloc_context *ac, int order, int alloc_flags, /* * compaction considers all the zone as desperately out of memory * so it doesn't really make much sense to retry except when the - * failure could be caused by weak migration mode. + * failure could be caused by insufficient priority */ if (compaction_failed(compact_result)) { - if (*migrate_mode == MIGRATE_ASYNC) { - *migrate_mode = MIGRATE_SYNC_LIGHT; + if (*compact_priority > MIN_COMPACT_PRIORITY) { + (*compact_priority)--; return true; } return false; @@ -3209,7 +3210,7 @@ should_compact_retry(struct alloc_context *ac, int order, int alloc_flags, static inline struct page * __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, unsigned int alloc_flags, const struct alloc_context *ac, - enum migrate_mode mode, enum compact_result *compact_result) + enum compact_priority prio, enum compact_result *compact_result) { *compact_result = COMPACT_SKIPPED; return NULL; @@ -3218,7 +3219,7 @@ __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, static inline bool should_compact_retry(struct alloc_context *ac, unsigned int order, int alloc_flags, enum compact_result compact_result, - enum migrate_mode *migrate_mode, + enum compact_priority *compact_priority, int compaction_retries) { struct zone *zone; @@ -3473,7 +3474,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, struct page *page = NULL; unsigned int alloc_flags; unsigned long did_some_progress; - enum migrate_mode migration_mode = MIGRATE_SYNC_LIGHT; + enum compact_priority compact_priority = DEF_COMPACT_PRIORITY; enum compact_result compact_result; int compaction_retries = 0; int no_progress_loops = 0; @@ -3525,7 +3526,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, !gfp_pfmemalloc_allowed(gfp_mask)) { page = __alloc_pages_direct_compact(gfp_mask, order, alloc_flags, ac, - MIGRATE_ASYNC, + INIT_COMPACT_PRIORITY, &compact_result); if (page) goto got_pg; @@ -3558,7 +3559,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, * sync compaction could be very expensive, so keep * using async compaction. */ - migration_mode = MIGRATE_ASYNC; + compact_priority = INIT_COMPACT_PRIORITY; } } @@ -3624,8 +3625,7 @@ retry: /* Try direct compaction and then allocating */ page = __alloc_pages_direct_compact(gfp_mask, order, alloc_flags, ac, - migration_mode, - &compact_result); + compact_priority, &compact_result); if (page) goto got_pg; @@ -3665,7 +3665,7 @@ retry: */ if (did_some_progress > 0 && should_compact_retry(ac, order, alloc_flags, - compact_result, &migration_mode, + compact_result, &compact_priority, compaction_retries)) goto retry; |