diff options
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 28 |
1 files changed, 1 insertions, 27 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 26c6fe7..ea759b9 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3099,14 +3099,13 @@ __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, enum compact_priority prio, enum compact_result *compact_result) { struct page *page; - int contended_compaction; if (!order) return NULL; current->flags |= PF_MEMALLOC; *compact_result = try_to_compact_pages(gfp_mask, order, alloc_flags, ac, - prio, &contended_compaction); + prio); current->flags &= ~PF_MEMALLOC; if (*compact_result <= COMPACT_INACTIVE) @@ -3135,24 +3134,6 @@ __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, */ count_vm_event(COMPACTFAIL); - /* - * In all zones where compaction was attempted (and not - * deferred or skipped), lock contention has been detected. - * For THP allocation we do not want to disrupt the others - * so we fallback to base pages instead. - */ - if (contended_compaction == COMPACT_CONTENDED_LOCK) - *compact_result = COMPACT_CONTENDED; - - /* - * If compaction was aborted due to need_resched(), we do not - * want to further increase allocation latency, unless it is - * khugepaged trying to collapse. - */ - if (contended_compaction == COMPACT_CONTENDED_SCHED - && !(current->flags & PF_KTHREAD)) - *compact_result = COMPACT_CONTENDED; - cond_resched(); return NULL; @@ -3548,13 +3529,6 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, goto nopage; /* - * Compaction is contended so rather back off than cause - * excessive stalls. - */ - if (compact_result == COMPACT_CONTENDED) - goto nopage; - - /* * Looks like reclaim/compaction is worth trying, but * sync compaction could be very expensive, so keep * using async compaction. |