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| author |   Matthew Wilcox <willy@linux.intel.com> | 2016-12-14 15:09:22 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-14 16:04:10 -0800 |
| commit | 424251a4a929a1b6dff2056d49135e3805132e32 (patch) | |
| tree | 191e913288fe1c45d64e93e5715e00fd47221457 /tools/testing/radix-tree/linux/slab.h | |
| parent | rxrpc: abstract away knowledge of IDR internals (diff) | |
| download | linux-dev-424251a4a929a1b6dff2056d49135e3805132e32.tar.xz linux-dev-424251a4a929a1b6dff2056d49135e3805132e32.zip | |
idr: reduce the number of bits per level from 8 to 6
In preparation for merging the IDR and radix tree, reduce the fanout at
each level from 256 to 64. If this causes a performance problem then a
bisect will point to this commit, and we'll have a better idea about
what we might do to fix it.
Link: http://lkml.kernel.org/r/1480369871-5271-66-git-send-email-mawilcox@linuxonhyperv.com
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Tested-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions