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Anton Blanchard 9f14c42d75 powerpc: Randomise mmap start address ... Randomise mmap start address - 8MB on 32bit and 1GB on 64bit tasks. Until ppc32 uses the mmap.c functionality, this is ppc64 specific. Before: # ./test & cat /proc/${!}/maps|tail -2|head -1 f75fe000-f7fff000 rw-p f75fe000 00:00 0 f75fe000-f7fff000 rw-p f75fe000 00:00 0 f75fe000-f7fff000 rw-p f75fe000 00:00 0 f75fe000-f7fff000 rw-p f75fe000 00:00 0 f75fe000-f7fff000 rw-p f75fe000 00:00 0 After: # ./test & cat /proc/${!}/maps|tail -2|head -1 f718b000-f7b8c000 rw-p f718b000 00:00 0 f7551000-f7f52000 rw-p f7551000 00:00 0 f6ee7000-f78e8000 rw-p f6ee7000 00:00 0 f74d4000-f7ed5000 rw-p f74d4000 00:00 0 f6e9d000-f789e000 rw-p f6e9d000 00:00 0 Similar for 64bit, but with 1GB of scatter: # ./test & cat /proc/${!}/maps|tail -2|head -1 fffb97b5000-fffb97b6000 rw-p fffb97b5000 00:00 0 fffce9a3000-fffce9a4000 rw-p fffce9a3000 00:00 0 fffeaaf2000-fffeaaf3000 rw-p fffeaaf2000 00:00 0 fffd88ac000-fffd88ad000 rw-p fffd88ac000 00:00 0 fffbc62e000-fffbc62f000 rw-p fffbc62e000 00:00 0 Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>		2009-02-23 15:53:07 +11:00
..
40x_mmu.c	powerpc/40x: Limit allocable DRAM during early mapping	2008-11-13 10:10:56 -05:00
44x_mmu.c	powerpc: rework 4xx PTE access and TLB miss	2008-07-09 13:36:17 -04:00
Makefile	powerpc/mm: Split low level tlb invalidate for nohash processors	2008-12-21 14:21:16 +11:00
fault.c	powerpc/mm: Rework I$/D$ coherency (v3)	2009-02-11 16:00:10 +11:00
fsl_booke_mmu.c	powerpc/fsl-booke: Fix compile warning	2009-02-12 16:54:53 -06:00
gup.c	powerpc: Get USE_STRICT_MM_TYPECHECKS working again	2008-10-14 10:35:27 +11:00
hash_low_32.S	powerpc/mm: Fix _PAGE_COHERENT support on classic ppc32 HW	2009-02-11 16:07:02 +11:00
hash_low_64.S	powerpc: Free a PTE bit on ppc64 with 64K pages	2008-06-30 22:30:53 +10:00
hash_native_64.c	[POWERPC] Use 1TB segments	2007-10-12 14:05:17 +10:00
hash_utils_64.c	powerpc/mm: Reduce hashtable size when using 64kB pages	2009-02-23 10:48:58 +11:00
hugetlbpage.c	mm: report the MMU pagesize in /proc/pid/smaps	2009-01-06 15:58:58 -08:00
init_32.c	powerpc/32: Add the ability for a classic ppc kernel to be loaded at 32M	2008-12-23 15:13:29 +11:00
init_64.c	powerpc: Get USE_STRICT_MM_TYPECHECKS working again	2008-10-14 10:35:27 +11:00
mem.c	powerpc/mm: Rework I$/D$ coherency (v3)	2009-02-11 16:00:10 +11:00
mmap.c	powerpc: Randomise mmap start address	2009-02-23 15:53:07 +11:00
mmu_context_hash32.c	powerpc/mm: Split mmu_context handling	2008-12-21 14:21:15 +11:00
mmu_context_hash64.c	powerpc/mm: Split mmu_context handling	2008-12-21 14:21:15 +11:00
mmu_context_nohash.c	powerpc/mm: Runtime allocation of mmu context maps for nohash CPUs	2008-12-21 14:21:16 +11:00
mmu_decl.h	Merge commit 'kumar/kumar-next' into next	2009-01-13 13:59:03 +11:00
numa.c	powerpc/numa: Cleanup hot_add_scn_to_nid	2009-02-23 15:53:04 +11:00
pgtable.c	powerpc/mm: Rework I$/D$ coherency (v3)	2009-02-11 16:00:10 +11:00
pgtable_32.c	powerpc/fsl-booke: Fix mapping functions to use phys_addr_t	2009-02-09 21:11:55 -06:00
pgtable_64.c	powerpc ioremap_prot	2008-07-24 10:47:15 -07:00
ppc_mmu_32.c	powerpc/mm: Fix handling of _PAGE_COHERENT in BAT setup code	2009-01-28 17:15:52 +11:00
slb.c	[POWERPC] vmemmap fixes to use smaller pages	2008-05-15 20:49:25 +10:00
slb_low.S	[POWERPC] vmemmap fixes to use smaller pages	2008-05-15 20:49:25 +10:00
slice.c	powerpc: is_hugepage_only_range() must account for both 4kB and 64kB slices	2009-01-16 16:15:16 +11:00
stab.c	powerpc: Change u64/s64 to a long long integer type	2009-01-13 14:47:59 +11:00
subpage-prot.c	[POWERPC] Provide a way to protect 4k subpages when using 64k pages	2008-01-24 10:06:01 +11:00
tlb_hash32.c	powerpc/mm: Add SMP support to no-hash TLB handling	2008-12-21 14:21:16 +11:00
tlb_hash64.c	powerpc/mm: Rename tlb_32.c and tlb_64.c to tlb_hash32.c and tlb_hash64.c	2008-12-16 15:53:30 +11:00
tlb_nohash.c	powerpc: Remove the redundant _tlbil_pid at SMP case	2009-01-08 16:25:13 +11:00
tlb_nohash_low.S	powerpc/44x: No need to mask MSR:CE, ME or DE in _tlbil_va on 440	2008-12-21 14:21:16 +11:00