[LU-8475] Slab allocations for target threads and session info Created: 03/Aug/16 Updated: 24/Oct/17 Resolved: 24/Oct/17 |
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| Status: | Resolved |
| Project: | Lustre |
| Component/s: | None |
| Affects Version/s: | None |
| Fix Version/s: | Lustre 2.11.0 |
| Type: | Improvement | Priority: | Major |
| Reporter: | Alexander Boyko | Assignee: | WC Triage |
| Resolution: | Fixed | Votes: | 0 |
| Labels: | patch | ||
| Rank (Obsolete): | 9223372036854775807 |
| Description |
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lu_env cache was made to store data and minimize alloc/free calls. But it was removed, so the memory pressure much increased for vmalloc subsystem. Processing of any rpc starts from lu_env_init instead of searching. |
| Comments |
| Comment by Gerrit Updater [ 03/Aug/16 ] |
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Alexander Boyko (alexander.boyko@seagate.com) uploaded a new patch: http://review.whamcloud.com/21654 |
| Comment by Alex Zhuravlev [ 08/Aug/16 ] |
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the major reason for lu_env is to save stack as it's very limited in the kernel. |
| Comment by Gerrit Updater [ 24/Oct/17 ] |
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Oleg Drokin (oleg.drokin@intel.com) merged in patch https://review.whamcloud.com/21654/ |
| Comment by Peter Jones [ 24/Oct/17 ] |
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Landed for 2.11 |