diff options
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/mm/slub.c b/mm/slub.c index dc9e729e1d26..566eb8b8282d 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -4982,14 +4982,16 @@ static gfp_t kmalloc_gfp_adjust(gfp_t flags, size_t size) * We want to attempt a large physically contiguous block first because * it is less likely to fragment multiple larger blocks and therefore * contribute to a long term fragmentation less than vmalloc fallback. - * However make sure that larger requests are not too disruptive - no - * OOM killer and no allocation failure warnings as we have a fallback. + * However make sure that larger requests are not too disruptive - i.e. + * do not direct reclaim unless physically continuous memory is preferred + * (__GFP_RETRY_MAYFAIL mode). We still kick in kswapd/kcompactd to + * start working in the background */ if (size > PAGE_SIZE) { flags |= __GFP_NOWARN; if (!(flags & __GFP_RETRY_MAYFAIL)) - flags |= __GFP_NORETRY; + flags &= ~__GFP_DIRECT_RECLAIM; /* nofail semantic is implemented by the vmalloc fallback */ flags &= ~__GFP_NOFAIL; |