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authorEric Anholt <anholt@freebsd.org>2003-08-29 19:16:13 +0000
committerEric Anholt <anholt@freebsd.org>2003-08-29 19:16:13 +0000
commita7aebb6dac3287374721dd2101a4584f12c63c82 (patch)
tree7fa20b6fd3b750d18f0ed5709e2a8458ff4a4ab6 /linux
parentdb781291164dfa10538776748df7af901c6b20a2 (diff)
Add DRM(calloc), which is convenient, used by the new sis code, and takes
advantage of M_ZERO on BSDs.
Diffstat (limited to 'linux')
-rw-r--r--linux/drmP.h1
-rw-r--r--linux/drm_memory.h12
-rw-r--r--linux/drm_memory_debug.h11
3 files changed, 24 insertions, 0 deletions
diff --git a/linux/drmP.h b/linux/drmP.h
index e80f7788..8a995dbe 100644
--- a/linux/drmP.h
+++ b/linux/drmP.h
@@ -817,6 +817,7 @@ extern void DRM(mem_init)(void);
extern int DRM(mem_info)(char *buf, char **start, off_t offset,
int request, int *eof, void *data);
extern void *DRM(alloc)(size_t size, int area);
+extern void *DRM(calloc)(size_t nmemb, size_t size, int area);
extern void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size,
int area);
extern void DRM(free)(void *pt, size_t size, int area);
diff --git a/linux/drm_memory.h b/linux/drm_memory.h
index 4ac7bac5..59e86b0c 100644
--- a/linux/drm_memory.h
+++ b/linux/drm_memory.h
@@ -226,6 +226,18 @@ void *DRM(alloc)(size_t size, int area)
return kmalloc(size, GFP_KERNEL);
}
+/** Wrapper around kmalloc() */
+void *DRM(calloc)(size_t size, size_t nmemb, int area)
+{
+ void *addr;
+
+ addr = kmalloc(size * nmemb, GFP_KERNEL);
+ if (addr != NULL)
+ memset((void *)addr, 0, size * nmemb);
+
+ return addr;
+}
+
/** Wrapper around kmalloc() and kfree() */
void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area)
{
diff --git a/linux/drm_memory_debug.h b/linux/drm_memory_debug.h
index 3ef2a05c..fae419ec 100644
--- a/linux/drm_memory_debug.h
+++ b/linux/drm_memory_debug.h
@@ -167,6 +167,17 @@ void *DRM(alloc)(size_t size, int area)
return pt;
}
+void *DRM(calloc)(size_t size, size_t nmemb, int area)
+{
+ void *addr;
+
+ addr = DRM(alloc)(nmemb * size, area);
+ if (addr != NULL)
+ memset((void *)addr, 0, size * nmemb);
+
+ return addr;
+}
+
void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area)
{
void *pt;