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3.12 compat, NUMA-aware per-superblock shrinker

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Kernels >= 3.12 have a NUMA-aware superblock shrinker which is used in
ZoL by zfs_sb_prune().  This patch calls the shrinker for each on-line
NUMA node in order that memory be freed for each one.

Signed-off-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #3495
This commit is contained in:
Tim Chase
2015-06-14 11:19:40 -05:00
committed by Brian Behlendorf
parent 410921241d
commit 90947b2357
3 changed files with 34 additions and 2 deletions
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config/kernel.m4
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@@ -87,6 +87,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
ZFS_AC_KERNEL_CALLBACK_SECURITY_INODE_INIT_SECURITY
ZFS_AC_KERNEL_MOUNT_NODEV
ZFS_AC_KERNEL_SHRINK
ZFS_AC_KERNEL_SHRINK_CONTROL_HAS_NID
ZFS_AC_KERNEL_S_INSTANCES_LIST_HEAD
ZFS_AC_KERNEL_S_D_OP
ZFS_AC_KERNEL_BDI_SETUP_AND_REGISTER