Commit 5a04cca6 authored by Akinobu Mita's avatar Akinobu Mita Committed by Linus Torvalds

sysctl: use bitmap library functions

Use bitmap_set() instead of using set_bit() for each bit.  This conversion
is valid because the bitmap is private in the function call and atomic
bitops were unnecessary.

This also includes minor change.
- Use bitmap_copy() for shorter typing
Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 423a5bb4
......@@ -23,6 +23,7 @@
#include <linux/swap.h>
#include <linux/slab.h>
#include <linux/sysctl.h>
#include <linux/bitmap.h>
#include <linux/signal.h>
#include <linux/printk.h>
#include <linux/proc_fs.h>
......@@ -2393,9 +2394,7 @@ int proc_do_large_bitmap(struct ctl_table *table, int write,
}
}
while (val_a <= val_b)
set_bit(val_a++, tmp_bitmap);
bitmap_set(tmp_bitmap, val_a, val_b - val_a + 1);
first = 0;
proc_skip_char(&kbuf, &left, '\n');
}
......@@ -2438,8 +2437,7 @@ int proc_do_large_bitmap(struct ctl_table *table, int write,
if (*ppos)
bitmap_or(bitmap, bitmap, tmp_bitmap, bitmap_len);
else
memcpy(bitmap, tmp_bitmap,
BITS_TO_LONGS(bitmap_len) * sizeof(unsigned long));
bitmap_copy(bitmap, tmp_bitmap, bitmap_len);
}
kfree(tmp_bitmap);
*lenp -= left;
......
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