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Diffstat (limited to 'lib/bitmap.c')
-rw-r--r--lib/bitmap.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/lib/bitmap.c b/lib/bitmap.c
index 74ceb02f45e3..9401d39e4722 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -581,6 +581,14 @@ static const char *bitmap_parse_region(const char *str, struct region *r)
{
unsigned int lastbit = r->nbits - 1;
+ if (!strncasecmp(str, "all", 3)) {
+ r->start = 0;
+ r->end = lastbit;
+ str += 3;
+
+ goto check_pattern;
+ }
+
str = bitmap_getnum(str, &r->start, lastbit);
if (IS_ERR(str))
return str;
@@ -595,6 +603,7 @@ static const char *bitmap_parse_region(const char *str, struct region *r)
if (IS_ERR(str))
return str;
+check_pattern:
if (end_of_region(*str))
goto no_pattern;
@@ -784,8 +793,6 @@ int bitmap_parse(const char *start, unsigned int buflen,
}
EXPORT_SYMBOL(bitmap_parse);
-
-#ifdef CONFIG_NUMA
/**
* bitmap_pos_to_ord - find ordinal of set bit at given position in bitmap
* @buf: pointer to a bitmap
@@ -894,6 +901,7 @@ void bitmap_remap(unsigned long *dst, const unsigned long *src,
set_bit(bitmap_ord_to_pos(new, n % w, nbits), dst);
}
}
+EXPORT_SYMBOL(bitmap_remap);
/**
* bitmap_bitremap - Apply map defined by a pair of bitmaps to a single bit
@@ -931,7 +939,9 @@ int bitmap_bitremap(int oldbit, const unsigned long *old,
else
return bitmap_ord_to_pos(new, n % w, bits);
}
+EXPORT_SYMBOL(bitmap_bitremap);
+#ifdef CONFIG_NUMA
/**
* bitmap_onto - translate one bitmap relative to another
* @dst: resulting translated bitmap