lkml.org 
[lkml]   [2012]   [Mar]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 0/4] radix-tree: iterating general cleanup
Any updates on this series?

On Tue, Feb 07, 2012 at 11:54:56AM +0400, Konstantin Khlebnikov wrote:
> This patchset implements common radix-tree iteration routine and
> reworks page-cache lookup functions with using it.
>
> radix_tree_gang_lookup_*slot() now mostly unused (the last user somethere in
> drivers/sh/intc/virq.c), but they are exported, we cannot remove them for now.
>
> Also there some shmem-related radix-tree hacks can be reworked,
> radix_tree_locate_item() can be removed. I already have a few extra patches.
>
> And as usual my lovely bloat-o-meter:
>
> add/remove: 4/3 grow/shrink: 4/4 up/down: 1232/-964 (268)
> function old new delta
> radix_tree_next_chunk - 499 +499
> static.shmem_find_get_pages_and_swap - 404 +404
> find_get_pages_tag 354 488 +134
> find_get_pages 362 438 +76
> find_get_pages_contig 345 407 +62
> __kstrtab_radix_tree_next_chunk - 22 +22
> shmem_truncate_range 1633 1652 +19
> __ksymtab_radix_tree_next_chunk - 16 +16
> radix_tree_gang_lookup_tag_slot 208 180 -28
> radix_tree_gang_lookup_tag 247 207 -40
> radix_tree_gang_lookup_slot 204 162 -42
> radix_tree_gang_lookup 231 160 -71
> __lookup 217 - -217
> __lookup_tag 242 - -242
> shmem_find_get_pages_and_swap 324 - -324
>
> ---
>
> Konstantin Khlebnikov (4):
> bitops: implement "optimized" __find_next_bit()
> radix-tree: introduce bit-optimized iterator
> radix-tree: rewrite gang lookup with using iterator
> radix-tree: use iterators in find_get_pages* functions
>
>
> include/asm-generic/bitops/find.h | 36 +++
> include/linux/radix-tree.h | 129 +++++++++++
> lib/radix-tree.c | 422 +++++++++++++------------------------
> mm/filemap.c | 75 ++++---
> mm/shmem.c | 23 +-
> 5 files changed, 375 insertions(+), 310 deletions(-)
>
> --
> Signature
>
> --
> To unsubscribe, send a message with 'unsubscribe linux-mm' in
> the body to majordomo@kvack.org. For more info on Linux MM,
> see: http://www.linux-mm.org/ .
> Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
> Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
---end quoted text---


\
 
 \ /
  Last update: 2012-03-14 08:39    [W:0.106 / U:0.020 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site