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kexec_file: Factor out kexec_locate_mem_hole from kexec_add_buffer.

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kexec_locate_mem_hole will be used by the PowerPC kexec_file_load
implementation to find free memory for the purgatory stack.

Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Acked-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Thiago Jung Bauermann
2016-11-29 23:45:49 +11:00
committed by Michael Ellerman
parent ec2b9bfaac
commit e2e806f9e4
2 changed files with 21 additions and 5 deletions
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include/linux/kexec.h
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@@ -176,6 +176,7 @@ struct kexec_buf {
int __weak arch_kexec_walk_mem(struct kexec_buf *kbuf,
int (*func)(u64, u64, void *));
extern int kexec_add_buffer(struct kexec_buf *kbuf);
int kexec_locate_mem_hole(struct kexec_buf *kbuf);
#endif /* CONFIG_KEXEC_FILE */
struct kimage {