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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-06 23:16:17 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-09 06:08:44 +0400 |
| commit | bfcfaa77bdf0f775263e906015982a608df01c76 (patch) | |
| tree | 6671137d4af157b851d953b7e2809abbfa809e81 /fs/Kconfig | |
| parent | 9f8050c4f99789d03ca96d4e625bd6637241828f (diff) | |
| download | linux-bfcfaa77bdf0f775263e906015982a608df01c76.tar.xz | |
vfs: use 'unsigned long' accesses for dcache name comparison and hashing
Ok, this is hacky, and only works on little-endian machines with goo
unaligned handling. And even then only with CONFIG_DEBUG_PAGEALLOC
disabled, since it can access up to 7 bytes after the pathname.
But it runs like a bat out of hell.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/Kconfig')
| -rw-r--r-- | fs/Kconfig | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/Kconfig b/fs/Kconfig index d621f02a3f9e..aa195265362f 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -4,6 +4,10 @@ menu "File systems" +# Use unaligned word dcache accesses +config DCACHE_WORD_ACCESS + bool + if BLOCK source "fs/ext2/Kconfig" |