Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull vfs pile 4 from Al Viro:
 "list_lru pile, mostly"

This came out of Andrew's pile, Al ended up doing the merge work so that
Andrew didn't have to.

Additionally, a few fixes.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (42 commits)
  super: fix for destroy lrus
  list_lru: dynamically adjust node arrays
  shrinker: Kill old ->shrink API.
  shrinker: convert remaining shrinkers to count/scan API
  staging/lustre/libcfs: cleanup linux-mem.h
  staging/lustre/ptlrpc: convert to new shrinker API
  staging/lustre/obdclass: convert lu_object shrinker to count/scan API
  staging/lustre/ldlm: convert to shrinkers to count/scan API
  hugepage: convert huge zero page shrinker to new shrinker API
  i915: bail out earlier when shrinker cannot acquire mutex
  drivers: convert shrinkers to new count/scan API
  fs: convert fs shrinkers to new scan/count API
  xfs: fix dquot isolation hang
  xfs-convert-dquot-cache-lru-to-list_lru-fix
  xfs: convert dquot cache lru to list_lru
  xfs: rework buffer dispose list tracking
  xfs-convert-buftarg-lru-to-generic-code-fix
  xfs: convert buftarg LRU to generic code
  fs: convert inode and dentry shrinking to be node aware
  vmscan: per-node deferred work
  ...

diff --cc drivers/gpu/drm/i915/i915_dma.c
Simple merge

diff --cc drivers/gpu/drm/i915/i915_gem.c
Simple merge

diff --cc fs/dcache.c
Simple merge

diff --cc kernel/sysctl.c
Simple merge

diff --cc mm/huge_memory.c
Simple merge

diff --cc mm/memory-failure.c
Simple merge

diff --cc mm/vmscan.c
index fe715daeb8bc8288b0991be836a3dbcd60cebc85,e36454220614e9af2e87c1f1914e8746247c9a78..beb35778c69f147e47c30b44ee151953c68c4969
--- 1/mm/vmscan.c
--- 2/mm/vmscan.c
+++ b/mm/vmscan.c
@@@ -2829,9 -2854,11 +2867,11 @@@ static bool kswapd_shrink_zone(struct z
                return true;
  
        shrink_zone(zone, sc);
+       nodes_clear(shrink.nodes_to_scan);
+       node_set(zone_to_nid(zone), shrink.nodes_to_scan);
  
        reclaim_state->reclaimed_slab = 0;
 -      nr_slab = shrink_slab(&shrink, sc->nr_scanned, lru_pages);
 +      shrink_slab(&shrink, sc->nr_scanned, lru_pages);
        sc->nr_reclaimed += reclaim_state->reclaimed_slab;
  
        /* Account for the number of pages attempted to reclaim */