diff options
Diffstat (limited to 'mm/page-writeback.c')
| -rw-r--r-- | mm/page-writeback.c | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 28d6f36a2d79..5ed3381818ec 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -1965,36 +1965,6 @@ bool wb_over_bg_thresh(struct bdi_writeback *wb) return false; } -void throttle_vm_writeout(gfp_t gfp_mask) -{ - unsigned long background_thresh; - unsigned long dirty_thresh; - - for ( ; ; ) { - global_dirty_limits(&background_thresh, &dirty_thresh); - dirty_thresh = hard_dirty_limit(&global_wb_domain, dirty_thresh); - - /* - * Boost the allowable dirty threshold a bit for page - * allocators so they don't get DoS'ed by heavy writers - */ - dirty_thresh += dirty_thresh / 10; /* wheeee... */ - - if (global_node_page_state(NR_UNSTABLE_NFS) + - global_node_page_state(NR_WRITEBACK) <= dirty_thresh) - break; - congestion_wait(BLK_RW_ASYNC, HZ/10); - - /* - * The caller might hold locks which can prevent IO completion - * or progress in the filesystem. So we cannot just sit here - * waiting for IO to complete. - */ - if ((gfp_mask & (__GFP_FS|__GFP_IO)) != (__GFP_FS|__GFP_IO)) - break; - } -} - /* * sysctl handler for /proc/sys/vm/dirty_writeback_centisecs */ |