diff options
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 36be3ba4bbe..2aaafe82f51 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1714,6 +1714,20 @@ try_next_zone: return page; } +/* + * Large machines with many possible nodes should not always dump per-node + * meminfo in irq context. + */ +static inline bool should_suppress_show_mem(void) +{ + bool ret = false; + +#if NODES_SHIFT > 8 + ret = in_interrupt(); +#endif + return ret; +} + static inline int should_alloc_retry(gfp_t gfp_mask, unsigned int order, unsigned long pages_reclaimed) @@ -2161,7 +2175,8 @@ nopage: " order:%d, mode:0x%x\n", current->comm, order, gfp_mask); dump_stack(); - show_mem(); + if (!should_suppress_show_mem()) + show_mem(); } return page; got_pg: |