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61ef2489db
It's based on walk_system_ram_range(), for archs that don't have
their own page_is_ram().
The static verions in MIPS and SCORE are also made global.
v4: prefer plain 1 instead of PAGE_IS_RAM (H. Peter Anvin)
v3: add comment (KAMEZAWA Hiroyuki)
"AFAIK, this "System RAM" information has been used for kdump to
grab valid memory area and seems good for the kernel itself."
v2: add PAGE_IS_RAM macro (Américo Wang)
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Cc: Américo Wang <xiyou.wangcong@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: Yinghai Lu <yinghai@kernel.org>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
LKML-Reference: <20100122081619.GA6431@localhost>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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| .. | ||
| c-octeon.c | ||
| c-r3k.c | ||
| c-r4k.c | ||
| c-tx39.c | ||
| cache.c | ||
| cerr-sb1.c | ||
| cex-gen.S | ||
| cex-oct.S | ||
| cex-sb1.S | ||
| dma-default.c | ||
| extable.c | ||
| fault.c | ||
| highmem.c | ||
| hugetlbpage.c | ||
| init.c | ||
| ioremap.c | ||
| Makefile | ||
| page.c | ||
| pgtable-32.c | ||
| pgtable-64.c | ||
| sc-ip22.c | ||
| sc-mips.c | ||
| sc-r5k.c | ||
| sc-rm7k.c | ||
| tlb-r3k.c | ||
| tlb-r4k.c | ||
| tlb-r8k.c | ||
| tlbex-fault.S | ||
| tlbex.c | ||
| uasm.c | ||
| uasm.h | ||