Author: delphij
Date: Tue Jan 20 20:17:29 2015
New Revision: 277431
URL: https://svnweb.freebsd.org/changeset/base/277431

Log:
  5497 lock contention on arcs_mtx
  Reviewed by: George Wilson <george.wil...@delphix.com>
  Reviewed by: Matthew Ahrens <mahr...@delphix.com>
  Reviewed by: Richard Elling <richard.ell...@richardelling.com>
  Approved by: Dan McDonald <dan...@omniti.com>
  Author: Prakash Surya <prakash.su...@delphix.com>
  
  illumos/illumos-gate@244781f10dcd82684fd8163c016540667842f203

Modified:
  vendor/illumos/dist/lib/libzpool/common/sys/zfs_context.h

Changes in other areas also in this revision:
Added:
  vendor-sys/illumos/dist/uts/common/fs/zfs/multilist.c   (contents, props 
changed)
  vendor-sys/illumos/dist/uts/common/fs/zfs/sys/multilist.h   (contents, props 
changed)
Modified:
  vendor-sys/illumos/dist/uts/common/fs/zfs/arc.c
  vendor-sys/illumos/dist/uts/common/fs/zfs/dsl_pool.c
  vendor-sys/illumos/dist/uts/common/fs/zfs/sys/arc.h
  vendor-sys/illumos/dist/uts/common/fs/zfs/zio_inject.c

Modified: vendor/illumos/dist/lib/libzpool/common/sys/zfs_context.h
==============================================================================
--- vendor/illumos/dist/lib/libzpool/common/sys/zfs_context.h   Tue Jan 20 
20:14:50 2015        (r277430)
+++ vendor/illumos/dist/lib/libzpool/common/sys/zfs_context.h   Tue Jan 20 
20:17:29 2015        (r277431)
@@ -505,6 +505,7 @@ extern void delay(clock_t ticks);
        } while (0);
 
 #define        max_ncpus       64
+#define        boot_ncpus      (sysconf(_SC_NPROCESSORS_ONLN))
 
 #define        minclsyspri     60
 #define        maxclsyspri     99
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