From 1a085d0727afaedb9506f04798516298b1676e11 Mon Sep 17 00:00:00 2001 From: Toshi Kani Date: Tue, 26 Jan 2016 21:57:23 +0100 Subject: kexec: Set IORESOURCE_SYSTEM_RAM for System RAM Set proper ioresource flags and types for crash kernel reservation areas. Signed-off-by: Toshi Kani Signed-off-by: Borislav Petkov Reviewed-by: Dave Young Cc: Andrew Morton Cc: Andy Lutomirski Cc: Baoquan He Cc: Borislav Petkov Cc: Brian Gerst Cc: Denys Vlasenko Cc: H. Peter Anvin Cc: HATAYAMA Daisuke Cc: Linus Torvalds Cc: Luis R. Rodriguez Cc: Minfei Huang Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Toshi Kani Cc: Vivek Goyal Cc: kexec@lists.infradead.org Cc: linux-arch@vger.kernel.org Cc: linux-mm Link: http://lkml.kernel.org/r/1453841853-11383-8-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar --- kernel/kexec_core.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'kernel/kexec_core.c') diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c index 8dc659144869..8d34308ea449 100644 --- a/kernel/kexec_core.c +++ b/kernel/kexec_core.c @@ -66,13 +66,15 @@ struct resource crashk_res = { .name = "Crash kernel", .start = 0, .end = 0, - .flags = IORESOURCE_BUSY | IORESOURCE_MEM + .flags = IORESOURCE_BUSY | IORESOURCE_SYSTEM_RAM, + .desc = IORES_DESC_CRASH_KERNEL }; struct resource crashk_low_res = { .name = "Crash kernel", .start = 0, .end = 0, - .flags = IORESOURCE_BUSY | IORESOURCE_MEM + .flags = IORESOURCE_BUSY | IORESOURCE_SYSTEM_RAM, + .desc = IORES_DESC_CRASH_KERNEL }; int kexec_should_crash(struct task_struct *p) @@ -959,7 +961,7 @@ int crash_shrink_memory(unsigned long new_size) ram_res->start = end; ram_res->end = crashk_res.end; - ram_res->flags = IORESOURCE_BUSY | IORESOURCE_MEM; + ram_res->flags = IORESOURCE_BUSY | IORESOURCE_SYSTEM_RAM; ram_res->name = "System RAM"; crashk_res.end = end - 1; -- cgit v1.2.3