Commit-ID: 1a085d0727afaedb9506f04798516298b1676e11 Gitweb: http://git.kernel.org/tip/1a085d0727afaedb9506f04798516298b1676e11 Author: Toshi Kani <[email protected]> AuthorDate: Tue, 26 Jan 2016 21:57:23 +0100 Committer: Ingo Molnar <[email protected]> CommitDate: Sat, 30 Jan 2016 09:49:57 +0100
kexec: Set IORESOURCE_SYSTEM_RAM for System RAM Set proper ioresource flags and types for crash kernel reservation areas. Signed-off-by: Toshi Kani <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Reviewed-by: Dave Young <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Baoquan He <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Brian Gerst <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: HATAYAMA Daisuke <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Luis R. Rodriguez <[email protected]> Cc: Minfei Huang <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Toshi Kani <[email protected]> Cc: Vivek Goyal <[email protected]> Cc: [email protected] Cc: [email protected] Cc: linux-mm <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- kernel/kexec_core.c | 8 +++++--- kernel/kexec_file.c | 2 +- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c index 8dc6591..8d34308 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; diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c index 007b791..2bfcdc0 100644 --- a/kernel/kexec_file.c +++ b/kernel/kexec_file.c @@ -525,7 +525,7 @@ int kexec_add_buffer(struct kimage *image, char *buffer, unsigned long bufsz, /* Walk the RAM ranges and allocate a suitable range for the buffer */ if (image->type == KEXEC_TYPE_CRASH) ret = walk_iomem_res("Crash kernel", - IORESOURCE_MEM | IORESOURCE_BUSY, + IORESOURCE_SYSTEM_RAM | IORESOURCE_BUSY, crashk_res.start, crashk_res.end, kbuf, locate_mem_hole_callback); else
