[PATCH] libata irq-pio: simplify if condition in ata_dataout_task()

[linux-2.6] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 0d94c94d9d810f260e7f33e7d9a2ff73cf057de2..097b3a3c693d58c924dd7409db1dd295ebfe8a23 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -136,6 +136,7 @@ extern unsigned int kobjsize(const void *objp);
 #define VM_EXEC                0x00000004
 #define VM_SHARED      0x00000008
 
+/* mprotect() hardcodes VM_MAYREAD >> 4 == VM_READ, and so for r/w/x bits. */
 #define VM_MAYREAD     0x00000010      /* limits for mprotect() etc */
 #define VM_MAYWRITE    0x00000020
 #define VM_MAYEXEC     0x00000040