From 56f87b82171245a81a5dbac5e703d3941d80da49 Mon Sep 17 00:00:00 2001 From: Russ Anderson Date: Fri, 4 Nov 2005 13:57:00 -0600 Subject: [IA64] MCA recovery: pfn_valid() needs a pfn paddr needs to be shifted by PAGE_SHIFT to be valid input for pfn_valid(). Signed-off-by: Russ Anderson Signed-off-by: Tony Luck --- arch/ia64/kernel/mca_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/ia64/kernel') diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c index f081c60ab206..6ff32d4faf81 100644 --- a/arch/ia64/kernel/mca_drv.c +++ b/arch/ia64/kernel/mca_drv.c @@ -88,7 +88,7 @@ mca_page_isolate(unsigned long paddr) if (!ia64_phys_addr_valid(paddr)) return ISOLATE_NONE; - if (!pfn_valid(paddr)) + if (!pfn_valid(paddr >> PAGE_SHIFT)) return ISOLATE_NONE; /* convert physical address to physical page number */ -- cgit v1.2.3 From cbb921443424fb8019e52bae83e442d01f7715ef Mon Sep 17 00:00:00 2001 From: Russ Anderson Date: Fri, 4 Nov 2005 16:58:28 -0600 Subject: [IA64] MCA recovery: Bump reference count on bad pages When a page has a memory uncorrectable ECC error, the recovery code wants to prevent the page from being reused. This change bumps the reference count to prevent the page from getting back on the free list. Signed-off-by: Russ Anderson (rja@sgi.com) Signed-off-by: Tony Luck --- arch/ia64/kernel/mca_drv.c | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/ia64/kernel') diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c index 6ff32d4faf81..eb39bc9c133b 100644 --- a/arch/ia64/kernel/mca_drv.c +++ b/arch/ia64/kernel/mca_drv.c @@ -108,6 +108,7 @@ mca_page_isolate(unsigned long paddr) return ISOLATE_NG; /* add attribute 'Reserved' and register the page */ + get_page(p); SetPageReserved(p); page_isolate[num_page_isolate++] = p; -- cgit v1.2.3