[Bug libc/5145] New: alpha: Fix up NBPG in <sys/user.h>

["macro at linux-mips dot org" <sourceware-bugzilla at sourceware dot org>]

Linux headers stopped providing PAGE_SIZE at some point, over a year 
ago, and <asm/page.h>, at least for the Alpha, is now solely for the 
kernel use only, wrapped by an #ifdef __KERNEL__ protection, so there is 
no point in including it at all.

 Here is a patch that provides the necessary definition in a way similar 
to what the i386 port does.  Without this change programs that make use of 
NBPG do not build for the Alpha, e.g. (taken from a build of BFD):

alpha-linux-gcc -DHAVE_CONFIG_H -I. -DTRAD_CORE -I. -I. -I./../include -W -Wall 
-Wstrict-prototypes -Wmissing-prototypes -Werror -mcpu=ev4 -pipe -O2 -fomit-fram
e-pointer -c trad-core.c  -fPIC -DPIC -o .libs/trad-core.o
trad-core.c: In function 'trad_unix_core_file_p':
trad-core.c:122: error: 'PAGE_SIZE' undeclared (first use in this function)
trad-core.c:122: error: (Each undeclared identifier is reported only once
trad-core.c:122: error: for each function it appears in.)

-- 
           Summary: alpha: Fix up NBPG in <sys/user.h>
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: drepper at redhat dot com
        ReportedBy: macro at linux-mips dot org
                CC: glibc-bugs at sources dot redhat dot com
  GCC host triplet: alpha-unknown-linux-gnu


http://sourceware.org/bugzilla/show_bug.cgi?id=5145

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