Changeset 728 for GPL/branches/uniaud32-next/include/linux/gfp.h

Timestamp:

Sep 8, 2022, 11:20:01 AM (3 years ago)

Author:

Paul Smedley

Message:

Fix GFP_ZERO support in vmalloc()

File:

• GPL/branches/uniaud32-next/include/linux/gfp.h (modified) (3 diffs)

GPL/branches/uniaud32-next/include/linux/gfp.h

@@ -2 +2 @@
 #define __LINUX_GFP_H
 
-#include <asm/page.h>
-#include <linux/export.h>
-#include <linux/mm.h>
 #include <linux/types.h>
+
+/*
+ * GFP bitmasks..
+ */
+#define __GFP_WAIT      0x01
+#define __GFP_LOW       0x02
+#define __GFP_MED       0x04
+#define __GFP_HIGH      0x08
+#define __GFP_IO        0x10
+#define __GFP_SWAP      0x20
 
 /* Plain integer GFP bitmasks. Do not use this directly. */
@@ -44 +51 @@
 #define __GFP_RETRY_MAYFAIL     ((__force gfp_t)___GFP_RETRY_MAYFAIL)
 #define GFP_DMA32 0             /* driver must check for 32-bit address */
+#define GFP_BUFFER      (__GFP_LOW | __GFP_WAIT)
+#define GFP_ATOMIC      (__GFP_HIGH)
+#define GFP_USER        (__GFP_LOW | __GFP_WAIT | __GFP_IO)
+#define GFP_HIGHUSER    (GFP_USER | __GFP_HIGHMEM)
+#define GFP_KERNEL      (__GFP_MED | __GFP_WAIT | __GFP_IO)
+#define GFP_NFS         (__GFP_HIGH | __GFP_WAIT | __GFP_IO)
+#define GFP_KSWAPD      (__GFP_IO | __GFP_SWAP)
+
 
 /*
@@ -57 +72 @@
 #define __GFP_MOVABLE   ((__force gfp_t)___GFP_MOVABLE)  /* ZONE_MOVABLE allowed */
 #define GFP_ZONEMASK    (__GFP_DMA|__GFP_HIGHMEM|__GFP_DMA32|__GFP_MOVABLE)
+/* Flag - indicates that the buffer will be suitable for DMA.  Ignored on some
+   platforms, used as appropriate on others */
+
+#define GFP_DMA         __GFP_DMA
+
+/* Flag - indicates that the buffer can be taken from high memory which is not
+   directly addressable by the kernel */
+
+#define GFP_HIGHMEM     __GFP_HIGHMEM
+#define __GFP_DMAHIGHMEM  0x100
+#define GFP_DMAHIGHMEM    __GFP_DMAHIGHMEM
+
 void *alloc_pages_exact(size_t size, gfp_t gfp_mask);
 void free_pages_exact(void *virt, size_t size);