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-rw-r--r--mm/page_alloc.c37
1 files changed, 10 insertions, 27 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index a8f2c87792c3..8193809f3de0 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2378,15 +2378,6 @@ bool gfp_pfmemalloc_allowed(gfp_t gfp_mask)
return !!(gfp_to_alloc_flags(gfp_mask) & ALLOC_NO_WATERMARKS);
}
-/* Returns true if the allocation is likely for THP */
-static bool is_thp_alloc(gfp_t gfp_mask, unsigned int order)
-{
- if (order == pageblock_order &&
- (gfp_mask & (__GFP_MOVABLE|__GFP_REPEAT)) == __GFP_MOVABLE)
- return true;
- return false;
-}
-
static inline struct page *
__alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
struct zonelist *zonelist, enum zone_type high_zoneidx,
@@ -2425,9 +2416,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
goto nopage;
restart:
- /* The decision whether to wake kswapd for THP is made later */
- if (!is_thp_alloc(gfp_mask, order))
- wake_all_kswapd(order, zonelist, high_zoneidx,
+ wake_all_kswapd(order, zonelist, high_zoneidx,
zone_idx(preferred_zone));
/*
@@ -2498,21 +2487,15 @@ rebalance:
goto got_pg;
sync_migration = true;
- if (is_thp_alloc(gfp_mask, order)) {
- /*
- * If compaction is deferred for high-order allocations, it is
- * because sync compaction recently failed. If this is the case
- * and the caller requested a movable allocation that does not
- * heavily disrupt the system then fail the allocation instead
- * of entering direct reclaim.
- */
- if (deferred_compaction || contended_compaction)
- goto nopage;
-
- /* If process is willing to reclaim/compact then wake kswapd */
- wake_all_kswapd(order, zonelist, high_zoneidx,
- zone_idx(preferred_zone));
- }
+ /*
+ * If compaction is deferred for high-order allocations, it is because
+ * sync compaction recently failed. In this is the case and the caller
+ * requested a movable allocation that does not heavily disrupt the
+ * system then fail the allocation instead of entering direct reclaim.
+ */
+ if ((deferred_compaction || contended_compaction) &&
+ (gfp_mask & (__GFP_MOVABLE|__GFP_REPEAT)) == __GFP_MOVABLE)
+ goto nopage;
/* Try direct reclaim and then allocating */
page = __alloc_pages_direct_reclaim(gfp_mask, order,