Josh Boyer wrote:
On Mon, 2007-06-25 at 16:24 +0400, Dmitry Butskoy wrote:
The macro "PAGE_MASK" is normally defined in the "asm/page.h" header,
provided by the "kernel-headers" package. This header is auto-generated
from the correspond "include/asm-powerpc/page.h", with removing of all
"__KERNEL__" ifdefs.
Unlike in x86, the "PAGE_MASK" definition in
"include/asm-powerpc/page.h" is kernel-private (i.e. sits under the
"__KERNEL__" ifdef), hence after the stripping we have an empty
"asm/page.h" for ppc and ppc64 arches.
Because of this some programs are not compiled properly.
Which programs? Why do they care about the page size?
fbtv (Frame Buffer TV) from xawtv package.
It's likely not a bug. PowerPC can have 4KiB or 64KiB pages, and
PAGE_MASK is dependent upon the kernel config option being set one way
or another since it's derived from PAGE_SHIFT.
Yep, we just should use getpagesize() for now.
Axel Thimm wrote:
It also happens on RHEL5/x86_64:
It seems such programs should be patched to calculate masks from the
getpagesize() returned value.
~buc
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