2.4.0-ac6: mm/vmalloc.c compile error

2.4.0-ac6: mm/vmalloc.c compile error

[Frank Davis]

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Hello,
  The following error occurred while compiling 2.4.0-ac6..The strange
thing is that I checked mm/vmalloc.c (line 188, and the entire file) and
didn't see PKMAP_BASE mentioned. My guess is that there is a problem with
one of the header files.

Regards,
Frank
 
vmalloc.c: In function `get_vm_area':
vmalloc.c:188: `PKMAP_BASE' undeclared (first use in this function)
vmalloc.c:188: (Each undeclared identifier is reported only once
vmalloc.c:188: for each function it appears in.)
make[2]: *** [vmalloc.o] Error 1
make[2]: Leaving directory `/usr/src/linux/mm'
make[1]: *** [first_rule] Error 2
make[1]: Leaving directory `/usr/src/linux/mm'
make: *** [_dir_mm] Error 2

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[patch] highmem-2.4.0-A0 (was: Re: 2.4.0-ac6: mm/vmalloc.c compile error)

[Ingo Molnar]

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On Thu, 11 Jan 2001, Frank Davis wrote:

> Hello,
>   The following error occurred while compiling 2.4.0-ac6. [...]

> vmalloc.c: In function `get_vm_area':
> vmalloc.c:188: `PKMAP_BASE' undeclared (first use in this function)

you are compiling with HIGHMEM enabled (which makes sense only if you have
more than ~900MB RAM), and i accidentally broke HIGHMEM with the vmalloc
fix in -pre1/-ac5. The attached patch fixes it.

	Ingo

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--- linux/include/linux/vmalloc.h.orig	Thu Jan 11 11:28:06 2001
+++ linux/include/linux/vmalloc.h	Thu Jan 11 11:28:33 2001
@@ -4,6 +4,7 @@
 #include <linux/sched.h>
 #include <linux/mm.h>
 #include <linux/spinlock.h>
+#include <linux/highmem.h>
 
 #include <asm/pgtable.h>
 

Re: 2.4.0-ac6: mm/vmalloc.c compile error

[Alan Cox]

>   The following error occurred while compiling 2.4.0-ac6..The strange
> thing is that I checked mm/vmalloc.c (line 188, and the entire file) and
> didn't see PKMAP_BASE mentioned. My guess is that there is a problem with
> one of the header files.

Its defined in asm/highmem.h/ Probabyl a missing include if building a bigmem
kenrel

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