Module: xenomai-2.4
Branch: master
Commit: 559908c45aa37589449f636f96fc284da570dbd5
URL:
http://git.xenomai.org/?p=xenomai-2.4.git;a=commit;h=559908c45aa37589449f636f96fc284da570dbd5
Author: Philippe Gerum <r...@xenomai.org>
Date: Tue Nov 10 11:50:24 2009 +0100
nucleus: Track heap mapping on to mm-clone
Backport -head commit a6211481.
---
ksrc/nucleus/heap.c | 10 +++++++++-
1 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/ksrc/nucleus/heap.c b/ksrc/nucleus/heap.c
index 49cab1d..1c02183 100644
--- a/ksrc/nucleus/heap.c
+++ b/ksrc/nucleus/heap.c
@@ -1014,6 +1014,13 @@ static void __unreserve_and_free_heap(void *ptr, size_t
size, int kmflags)
}
}
+static void xnheap_vmopen(struct vm_area_struct *vma)
+{
+ xnheap_t *heap = vma->vm_private_data;
+ atomic_inc(&heap->archdep.numaps);
+ xnarch_memory_barrier();
+}
+
static void xnheap_vmclose(struct vm_area_struct *vma)
{
xnheap_t *heap = vma->vm_private_data;
@@ -1037,7 +1044,8 @@ static void xnheap_vmclose(struct vm_area_struct *vma)
}
static struct vm_operations_struct xnheap_vmops = {
- .close = &xnheap_vmclose
+ .open = &xnheap_vmopen,
+ .close = &xnheap_vmclose
};
static int xnheap_open(struct inode *inode, struct file *file)
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