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(parent: 10d0c97) | patch
sparc64: Clean up 64-bit mmap exclusion defines.
authorDavid S. Miller <davem@davemloft.net>
Wed, 18 Sep 2013 18:58:32 +0000 (11:58 -0700)
committerDavid S. Miller <davem@davemloft.net>
Tue, 12 Nov 2013 23:22:33 +0000 (15:22 -0800)
commitc920745e6964bd4b9315a17b018d83fad66010d3
tree07a872bac01d893a5a494b12ece22404ba159dcetree | snapshot (tar.gz zip)
parent10d0c9705e80bbd3d587c5fad24599aabaca6688commit | diff
sparc64: Clean up 64-bit mmap exclusion defines.

Older UltraSPARC chips had an address space hole due to the MMU only
supporting 44-bit virtual addresses.

The top end of this hole also has the same value as the current
definition of PAGE_OFFSET, so this can be confusing.

Consolidate the defines for the userspace mmap exclusion range into
page_64.h and use them in sys_sparc_64.c and hugetlbpage.c

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Bob Picco <bob.picco@oracle.com>
arch/sparc/include/asm/page_64.h diff | blob | blame | history
arch/sparc/kernel/sys_sparc_64.c diff | blob | blame | history
arch/sparc/mm/hugetlbpage.c diff | blob | blame | history