The patch titled
Subject: lib/test_printf.c: add test for large bitmaps
has been added to the -mm tree. Its filename is
lib-test_printfc-add-test-for-large-bitmaps.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/lib-test_printfc-add-test-for-large-bitmaps.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/lib-test_printfc-add-test-for-large-bitmaps.patch
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------------------------------------------------------
From: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Subject: lib/test_printf.c: add test for large bitmaps
Following "lib/vsprintf.c: expand field_width to 24 bits", let's add a
test to see that we now actually support bitmaps with 65536 bits.
Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Cc: Maurizio Lombardi <mlombard@xxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/test_printf.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff -puN lib/test_printf.c~lib-test_printfc-add-test-for-large-bitmaps lib/test_printf.c
--- a/lib/test_printf.c~lib-test_printfc-add-test-for-large-bitmaps
+++ a/lib/test_printf.c
@@ -12,6 +12,7 @@
#include <linux/slab.h>
#include <linux/string.h>
+#include <linux/bitmap.h>
#include <linux/socket.h>
#include <linux/in.h>
@@ -312,6 +313,20 @@ struct_clk(void)
}
static void __init
+large_bitmap(void)
+{
+ const int nbits = 1 << 16;
+ unsigned long *bits = kcalloc(BITS_TO_LONGS(nbits), sizeof(long), GFP_KERNEL);
+ if (!bits)
+ return;
+
+ bitmap_set(bits, 1, 20);
+ bitmap_set(bits, 60000, 15);
+ test("1-20,60000-60014", "%*pbl", nbits, bits);
+ kfree(bits);
+}
+
+static void __init
bitmap(void)
{
DECLARE_BITMAP(bits, 20);
@@ -330,6 +345,8 @@ bitmap(void)
bitmap_fill(bits, 20);
test("fffff|fffff", "%20pb|%*pb", bits, 20, bits);
test("0-19|0-19", "%20pbl|%*pbl", bits, 20, bits);
+
+ large_bitmap();
}
static void __init
_
Patches currently in -mm which might be from linux@xxxxxxxxxxxxxxxxxx are
lib-vsprintfc-pull-out-padding-code-from-dentry_name.patch
lib-vsprintfc-move-string-below-widen_string.patch
lib-vsprintfc-eliminate-potential-race-in-string.patch
lib-vsprintfc-expand-field_width-to-24-bits.patch
lib-vsprintfc-help-gcc-make-number-smaller.patch
lib-vsprintfc-warn-about-too-large-precisions-and-field-widths.patch
lib-test_printfc-dont-bug.patch
lib-test_printfc-check-for-out-of-bound-writes.patch
lib-test_printfc-add-a-few-string-tests.patch
lib-test_printfc-account-for-kvasprintf-tests.patch
lib-test_printfc-add-test-for-large-bitmaps.patch
lib-test_printfc-test-dentry-printing.patch
lib-kasprintfc-add-sanity-check-to-kvasprintf.patch
powerpc-fadump-rename-cpu_online_mask-member-of-struct-fadump_crash_info_header.patch
kernel-cpuc-change-type-of-cpu_possible_bits-and-friends.patch
kernel-cpuc-export-__cpu__mask.patch
drivers-base-cpuc-use-__cpu__mask-directly.patch
kernel-cpuc-eliminate-cpu__mask.patch
kernel-cpuc-make-set_cpu_-static-inlines.patch
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