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| author | Mel Gorman <mel@skynet.ie> | 2006-09-27 01:49:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-27 08:26:11 -0700 |
| commit | 9c7cd6877cf8db15269163deda69392263124c1e (patch) | |
| tree | ff5197bdd2d5f02a5032c050eb39349534a4b14b /arch | |
| parent | 0e0b864e069c52a7b3e4a7da56e29b03a012fd75 (diff) | |
| download | linux-3.10-9c7cd6877cf8db15269163deda69392263124c1e.tar.gz linux-3.10-9c7cd6877cf8db15269163deda69392263124c1e.tar.bz2 linux-3.10-9c7cd6877cf8db15269163deda69392263124c1e.zip | |
[PATCH] Account for holes that are outside the range of physical memory
absent_pages_in_range() made the assumption that users of the API would not
care about holes beyound the end of physical memory. This was not the
case. This patch will account for ranges outside of physical memory as
holes correctly.
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Cc: Andi Kleen <ak@muc.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: "Keith Mannthey" <kmannth@gmail.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Yasunori Goto <y-goto@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86_64/mm/srat.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c index 7b50bb1caab..db1b2e11cf8 100644 --- a/arch/x86_64/mm/srat.c +++ b/arch/x86_64/mm/srat.c @@ -227,7 +227,9 @@ static int reserve_hotadd(int node, unsigned long start, unsigned long end) /* This check might be a bit too strict, but I'm keeping it for now. */ if (absent_pages_in_range(s_pfn, e_pfn) != e_pfn - s_pfn) { - printk(KERN_ERR "SRAT: Hotplug area has existing memory\n"); + printk(KERN_ERR + "SRAT: Hotplug area %lu -> %lu has existing memory\n", + s_pfn, e_pfn); return -1; } |