[PATCH 01/10] kvm tools: Move mmap_anon_or_hugetblfs() into util

From: Michael Ellerman
Date: Tue Jul 17 2012 - 01:00:40 EST


So we can use it on powerpc.

Signed-off-by: Michael Ellerman <michael@xxxxxxxxxxxxxx>
---
tools/kvm/include/kvm/util.h | 2 +-
tools/kvm/util/util.c | 13 +++++++++++++
tools/kvm/x86/kvm.c | 13 -------------
3 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/tools/kvm/include/kvm/util.h b/tools/kvm/include/kvm/util.h
index dabf544..3d1d987 100644
--- a/tools/kvm/include/kvm/util.h
+++ b/tools/kvm/include/kvm/util.h
@@ -90,6 +90,6 @@ static inline void msleep(unsigned int msecs)
usleep(MSECS_TO_USECS(msecs));
}

-void *mmap_hugetlbfs(const char *htlbfs_path, u64 size);
+void *mmap_anon_or_hugetlbfs(const char *hugetlbfs_path, u64 size);

#endif /* KVM__UTIL_H */
diff --git a/tools/kvm/util/util.c b/tools/kvm/util/util.c
index e7feebc..a80cf86 100644
--- a/tools/kvm/util/util.c
+++ b/tools/kvm/util/util.c
@@ -113,3 +113,16 @@ void *mmap_hugetlbfs(const char *htlbfs_path, u64 size)

return addr;
}
+
+/* This function wraps the decision between hugetlbfs map (if requested) or normal mmap */
+void *mmap_anon_or_hugetlbfs(const char *hugetlbfs_path, u64 size)
+{
+ if (hugetlbfs_path)
+ /*
+ * We don't /need/ to map guest RAM from hugetlbfs, but we do so
+ * if the user specifies a hugetlbfs path.
+ */
+ return mmap_hugetlbfs(hugetlbfs_path, size);
+ else
+ return mmap(NULL, size, PROT_RW, MAP_ANON_NORESERVE, -1, 0);
+}
diff --git a/tools/kvm/x86/kvm.c b/tools/kvm/x86/kvm.c
index 10a1212..8931639 100644
--- a/tools/kvm/x86/kvm.c
+++ b/tools/kvm/x86/kvm.c
@@ -128,19 +128,6 @@ void kvm__arch_set_cmdline(char *cmdline, bool video)
strcat(cmdline, " console=ttyS0 earlyprintk=serial i8042.noaux=1");
}

-/* This function wraps the decision between hugetlbfs map (if requested) or normal mmap */
-static void *mmap_anon_or_hugetlbfs(const char *hugetlbfs_path, u64 size)
-{
- if (hugetlbfs_path)
- /*
- * We don't /need/ to map guest RAM from hugetlbfs, but we do so
- * if the user specifies a hugetlbfs path.
- */
- return mmap_hugetlbfs(hugetlbfs_path, size);
- else
- return mmap(NULL, size, PROT_RW, MAP_ANON_NORESERVE, -1, 0);
-}
-
/* Architecture-specific KVM init */
void kvm__arch_init(struct kvm *kvm, const char *hugetlbfs_path, u64 ram_size)
{
--
1.7.9.5

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