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authorRichard Braun <rbraun@sceen.net>2016-09-02 21:31:43 +0200
committerRichard Braun <rbraun@sceen.net>2016-09-02 21:31:43 +0200
commitf7d3248ebfec812b7fbc11d9b0ced2e3de3324e4 (patch)
treef2ba0faa557087659c92420aa53fe4633a63dece
parent7ae017029b8e1423bbb15d97b9326c0fef12a85f (diff)
x86/biosmem: update biosmem_free_usable description
-rw-r--r--arch/x86/machine/biosmem.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/machine/biosmem.h b/arch/x86/machine/biosmem.h
index 4c596a78..44c79a5b 100644
--- a/arch/x86/machine/biosmem.h
+++ b/arch/x86/machine/biosmem.h
@@ -85,7 +85,8 @@ void biosmem_setup(void);
* Free all usable memory.
*
* This includes ranges that weren't part of the bootstrap allocator initial
- * heap, e.g. because they contained boot data.
+ * heap, e.g. because they contained boot data. Any boot data to keep must
+ * be saved before calling this function.
*/
void biosmem_free_usable(void);