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authorRich Felker <dalias@libc.org>2016-03-30 00:53:03 +0300
committerRich Felker <dalias@libc.org>2016-03-30 00:53:03 +0300
commit16b02d711f4059b8338ef967064195b47cae65ea (patch)
tree6d3e0b7629210b56f8d6cfa39184c878d8a15367 /lib/test_printf.c
parentb15d53d009558d14c4f394a6d1fa2039c7f45c43 (diff)
parentf55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff)
downloadlinux-16b02d711f4059b8338ef967064195b47cae65ea.tar.xz
Merge tag 'v4.6-rc1'
Linux 4.6-rc1
Diffstat (limited to 'lib/test_printf.c')
-rw-r--r--lib/test_printf.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/lib/test_printf.c b/lib/test_printf.c
index 4f6ae60433bc..563f10e6876a 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -17,6 +17,9 @@
#include <linux/socket.h>
#include <linux/in.h>
+#include <linux/gfp.h>
+#include <linux/mm.h>
+
#define BUF_SIZE 256
#define PAD_SIZE 16
#define FILL_CHAR '$'
@@ -411,6 +414,55 @@ netdev_features(void)
}
static void __init
+flags(void)
+{
+ unsigned long flags;
+ gfp_t gfp;
+ char *cmp_buffer;
+
+ flags = 0;
+ test("", "%pGp", &flags);
+
+ /* Page flags should filter the zone id */
+ flags = 1UL << NR_PAGEFLAGS;
+ test("", "%pGp", &flags);
+
+ flags |= 1UL << PG_uptodate | 1UL << PG_dirty | 1UL << PG_lru
+ | 1UL << PG_active | 1UL << PG_swapbacked;
+ test("uptodate|dirty|lru|active|swapbacked", "%pGp", &flags);
+
+
+ flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC
+ | VM_DENYWRITE;
+ test("read|exec|mayread|maywrite|mayexec|denywrite", "%pGv", &flags);
+
+ gfp = GFP_TRANSHUGE;
+ test("GFP_TRANSHUGE", "%pGg", &gfp);
+
+ gfp = GFP_ATOMIC|__GFP_DMA;
+ test("GFP_ATOMIC|GFP_DMA", "%pGg", &gfp);
+
+ gfp = __GFP_ATOMIC;
+ test("__GFP_ATOMIC", "%pGg", &gfp);
+
+ cmp_buffer = kmalloc(BUF_SIZE, GFP_KERNEL);
+ if (!cmp_buffer)
+ return;
+
+ /* Any flags not translated by the table should remain numeric */
+ gfp = ~__GFP_BITS_MASK;
+ snprintf(cmp_buffer, BUF_SIZE, "%#lx", (unsigned long) gfp);
+ test(cmp_buffer, "%pGg", &gfp);
+
+ snprintf(cmp_buffer, BUF_SIZE, "__GFP_ATOMIC|%#lx",
+ (unsigned long) gfp);
+ gfp |= __GFP_ATOMIC;
+ test(cmp_buffer, "%pGg", &gfp);
+
+ kfree(cmp_buffer);
+}
+
+static void __init
test_pointer(void)
{
plain();
@@ -428,6 +480,7 @@ test_pointer(void)
struct_clk();
bitmap();
netdev_features();
+ flags();
}
static int __init