Commit 44a4a66b authored by Matthew Wilcox's avatar Matthew Wilcox
Browse files

XArray: Correct xa_store_range 



The explicit '64' should have been BITS_PER_LONG, but while looking at
this code I realised I meant to use __ffs(), not ilog2().

Signed-off-by: default avatarMatthew Wilcox <willy@infradead.org>
parent 804dfaf0

lib/xarray.c

+3 −2
Original line number Diff line number Diff line
@@ -1565,8 +1565,9 @@ void *xa_store_range(struct xarray *xa, unsigned long first, 
	do {

		xas_lock(&xas);

		if (entry) {

			unsigned int order = (last == ~0UL) ? 64 :

						ilog2(last + 1);

			unsigned int order = BITS_PER_LONG;

			if (last + 1)

				order = __ffs(last + 1);

			xas_set_order(&xas, last, order);

			xas_create(&xas);

			if (xas_error(&xas))

CRA Git | Maintained and supported by SUSTech CRA and CCSE