Paul Jimenez wrote:
On Wednesday, Oct 31, 2007, Richard Knutsson writes:
if (likely(replace < 0))
usage_table[i] = 1;
else {
- usage_table[i] = usage_table[replace] + !!increment;
+ usage_table[i] = usage_table[replace] + increment;
This seems a bit strange, using a boolean as an integer (yes I know, it
works but semantically...). What about:
+ usage_table[i] = usage_table[replace];
+ usage_table[i] += increment ? 1 : 0;
?
I've got no strong feelings either way.
usage_table[i] = usage_table[replace];
if (increment) usage_table[i]++;
...would work just fine too.
Mm, looks even better IMO. (with the usage_table[i]++; on its own line ;) )
index 289dfe6..54347e9 100644
--- a/arch/x86/kernel/cpu/mtrr/mtrr.h
+++ b/arch/x86/kernel/cpu/mtrr/mtrr.h
@@ -2,10 +2,8 @@
* local mtrr defines.
*/
-#ifndef TRUE
-#define TRUE 1
-#define FALSE 0
-#endif
+#include <linux/types.h>
+#include <linux/stddef.h>
Isn't those included by default?
Are they? I couldn't find the #includes so I put them in, figuring that at worst cpp will strip them.
They are #included by linux/kernel.h... But it may be as well to include
them, avoiding the dependence on the overgrown kernel.h.
The rest looks good :)
Richard Knutsson
Cool. Any idea what maintainer I should send this to? I'm not sure Mr. Gooch is still actively the mtrr maintainer. Maybe the new x86 maintainers could apply it?
Sorry, not really. Did a 'git log arch/x86/kernel/cpu/mtrr/', but it
seems there is no loges before the move to arch/x86/... Anyway, you may
like to add Thomas Gleixner and Ingo Molnar, they have signed-off 3 out
of the 4 remaining commits (otherwise they should know where to send it).
Richard Knutsson
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