scripts

commit fcfc8d8e7ff205fa245e0f8c89bf6ce5cba597df
parent e147f87f410671671d1b1ffafdaf6ad2dd37a967
Author: sin <sin@2f30.org>
Date:   Tue, 30 Jul 2013 10:42:47 +0100

Add comment for guard page

Diffstat:
M
alloc.c
 | 
1
+

1 file changed, 1 insertion(+), 0 deletions(-)
diff --git a/alloc.c b/alloc.c
@@ -36,6 +36,7 @@ mmap_page_aligned(size_t nbytes)
 		    PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
 	if (addr == MAP_FAILED)
 		return NULL;
+	/* Guard page at the end of the allocation */
 	ret = mprotect((char *)addr + nbytes, 0x1000,
 		       PROT_NONE);
 	if (ret < 0) {