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From 28ca86d12286aad430378cbf416c966cdfddfbdf Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Sat, 24 Jan 2015 15:40:05 +0000
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Subject: [PATCH] aarch64: Increase default appliance memory size on aarch64.
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Kernel 3.19 has problems uncompressing the RAM disk with <= 500 MB.
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(This is likely to be a kernel bug)
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64 KB pages are common on aarch64, so treat this case the same as ppc,
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and use a larger default appliance memory size.
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Thanks: Laszlo Ersek for help and reproducing the bug.
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(cherry picked from commit c24f242521e882380c28d0952007d8462040d998)
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---
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src/guestfs-internal.h | 10 ++++++++++
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1 file changed, 10 insertions(+)
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diff --git a/src/guestfs-internal.h b/src/guestfs-internal.h
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index d5de345..d9ccf5f 100644
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--- a/src/guestfs-internal.h
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+++ b/src/guestfs-internal.h
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@@ -68,6 +68,16 @@
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# define MIN_MEMSIZE 256
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#endif
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+/* Kernel 3.19 is unable to uncompress the initramfs on aarch64 unless
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+ * we have > 500 MB of space. This looks like a kernel bug (earlier
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+ * kernels have no problems). However since 64 KB pages are also
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+ * common on aarch64, treat this like the ppc case above.
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+ */
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+#ifdef __aarch64__
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+# define DEFAULT_MEMSIZE 768
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+# define MIN_MEMSIZE 256
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+#endif
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+
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/* Valgrind has a fairly hefty memory overhead. Using the defaults
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* caused the C API tests to fail.
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*/
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--
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1.8.3.1
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