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Date: Thu, 3 Aug 2006 12:33:22 +0900 From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> To: LKML <linux-kernel@...r.kernel.org> Cc: LHMS <lhms-devel@...ts.sourceforge.net>, "kmannth@...ibm.com" <kmannth@...ibm.com>, "y-goto@...fujitsu.com" <y-goto@...fujitsu.com>, Andrew Morton <akpm@...l.org> Subject: [PATCH] memory hotadd fixes [2/5] change find_next_system_ram's return value manner find_next_system_ram() returns valid memory range which meets requested area, only used by memory-hot-add. This function always rewrite requested resource even if returned area is not fully fit in requested one. And sometimes the returnd resource is larger than requested area. This annoyes the caller. This patch changes the returned value to fit in requested area. Signed-Off-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> kernel/resource.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) Index: linux-2.6.18-rc3/kernel/resource.c =================================================================== --- linux-2.6.18-rc3.orig/kernel/resource.c 2006-08-01 16:11:56.000000000 +0900 +++ linux-2.6.18-rc3/kernel/resource.c 2006-08-01 16:38:45.000000000 +0900 @@ -261,8 +261,10 @@ if (!p) return -1; /* copy data */ - res->start = p->start; - res->end = p->end; + if (res->start < p->start) + res->start = p->start; + if (res->end > p->end) + res->end = p->end; return 0; } #endif - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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