# HG changeset patch
# User Jimi Xenidis <[EMAIL PROTECTED]>
# Node ID b17300195f02f7da17f3ad94aed955863ffd4fed
# Parent b35682af48d01ddba1d26e6fe2d0c5607a343228
[TOOLS][POWERPC] no need to allocate extents in a loop
This patch decreases the number of hcalls needed to allocate all the
extents for a domain with large amounts of memory.
Signed-off-by: Jimi Xenidis <[EMAIL PROTECTED]>
---
tools/python/xen/xend/XendDomainInfo.py | 18 ++++++++++--------
1 files changed, 10 insertions(+), 8 deletions(-)
diff -r b35682af48d0 -r b17300195f02 tools/python/xen/xend/XendDomainInfo.py
--- a/tools/python/xen/xend/XendDomainInfo.py Mon Nov 13 14:32:55 2006 -0600
+++ b/tools/python/xen/xend/XendDomainInfo.py Tue Nov 14 19:46:26 2006 -0500
@@ -2017,6 +2017,10 @@ class XendDomainInfo (Common_XendDomainI
if memory < rma_kb:
raise ValueError("Domain memory must be at least %d KB" % rma_kb)
+ if memory & (16 << 10):
+ raise ValueError("Domain memory %dKB must be a multiple of 16MB"
+ % memory)
+
# allocate the RMA
log.debug("alloc_real_mode_area(%d, %d)", self.domid, rma_log)
xc.alloc_real_mode_area(self.domid, rma_log)
@@ -2024,13 +2028,11 @@ class XendDomainInfo (Common_XendDomainI
# now allocate the remaining memory as large-order allocations
memory -= rma_kb
extent_log = 24 # 16 MB
- extent_size = 1 << extent_log
page_log = 12 # 4 KB
extent_order = extent_log - page_log
- for i in range(0, memory * 1024, extent_size):
- log.debug("increase_reservation(%d, 0x%x, %d)", self.domid,
- extent_size >> 10, extent_order)
- xc.domain_memory_increase_reservation(self.domid,
- extent_size >> 10,
- extent_order)
-
+ log.debug("increase_reservation(%d, 0x%x, %d)", self.domid,
+ memory, extent_order)
+ xc.domain_memory_increase_reservation(self.domid,
+ memory,
+ extent_order)
+
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