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| author | Benjamin LaHaise <bcrl@kvack.org> | 2005-06-21 17:14:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-21 18:46:17 -0700 |
| commit | 83e5d8f7253cb7b14472385a6d57df1e9f848e8e (patch) | |
| tree | bafb314103aefbb5699aed2b2b284d8954a888d9 /include | |
| parent | 1ad539b2bd89bf2e129123eb24d5bcc4484a35de (diff) | |
| download | linux-3.10-83e5d8f7253cb7b14472385a6d57df1e9f848e8e.tar.gz linux-3.10-83e5d8f7253cb7b14472385a6d57df1e9f848e8e.tar.bz2 linux-3.10-83e5d8f7253cb7b14472385a6d57df1e9f848e8e.zip | |
[PATCH] __mod_page_state(): pass unsigned long instead of unsigned
By making the offset argument of __mod_page_state an unsigned long instead
of unsigned, we can avoid forcing the compiler to sign extend a usually
constant argument. This saves 1 instruction on x86-64.
Signed-off-by: Benjamin LaHaise <benjamin.c.lahaise@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/page-flags.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index df313891db1..f2ee9b2332e 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -136,7 +136,7 @@ struct page_state { extern void get_page_state(struct page_state *ret); extern void get_full_page_state(struct page_state *ret); extern unsigned long __read_page_state(unsigned offset); -extern void __mod_page_state(unsigned offset, unsigned long delta); +extern void __mod_page_state(unsigned long offset, unsigned long delta); #define read_page_state(member) \ __read_page_state(offsetof(struct page_state, member)) |