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SubjectRe: 2.6.24-rc7-rt1: macro "put_cpu_var" passed 2 arguments, but takes just 1
Date
Hello,

> We are pleased to announce the 2.6.24-rc7-rt1 tree, which can be
> downloaded from the location:
>
> http://rt.et.redhat.com/download/

CC arch/x86/mm/init_32.o
In file included from include/asm-generic/tlb.h:17,
from include/asm/tlb.h:9,
from arch/x86/mm/init_32.c:43:
include/linux/quicklist.h:73:28: error: macro "put_cpu_var" passed 2 arguments, but takes just 1
In file included from include/asm-generic/tlb.h:17,
from include/asm/tlb.h:9,
from arch/x86/mm/init_32.c:43:
include/linux/quicklist.h: In function '__quicklist_free':
include/linux/quicklist.h:73: error: 'put_cpu_var' undeclared (first use in this function)
include/linux/quicklist.h:73: error: (Each undeclared identifier is reported only once
include/linux/quicklist.h:73: error: for each function it appears in.)
make[1]: *** [arch/x86/mm/init_32.o] Error 1
make: *** [arch/x86/mm] Error 2

--- linux-2.6.24-rc7-rt1.orig/include/linux/quicklist.h 2008-01-11 21:16:22.000000000 -0500
+++ linux-2.6.24-rc7-rt1/include/linux/quicklist.h 2008-01-11 21:18:08.000000000 -0500
@@ -18,7 +18,7 @@ struct quicklist {
int nr_pages;
};

[... snip ...]

@@ -56,12 +64,13 @@ static inline void __quicklist_free(int
struct page *page)
{
struct quicklist *q;
+ int cpu;

- q = &get_cpu_var(quicklist)[nr];
+ q = &get_cpu_var_locked(quicklist, &cpu)[nr];
*(void **)p = q->page;
q->page = p;
q->nr_pages++;
- put_cpu_var(quicklist);
+ put_cpu_var(quicklist, cpu); <------------- should that be put_cpu_var_locked()?
}

Regards,

Mariusz

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