Commit d8e93e3f authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle)
Browse files

XArray: Optimise xas_sibling() if !CONFIG_XARRAY_MULTI 



If CONFIG_XARRAY_MULTI is disabled, then xas_sibling() must be false.

Reported-by: default avatarJaeJoon Jung <rgbi3307@gmail.com>
Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
parent 3a00e7c4

lib/xarray.c

+1 −1
Original line number Diff line number Diff line
@@ -1836,7 +1836,7 @@ static bool xas_sibling(struct xa_state *xas) 
	struct xa_node *node = xas->xa_node;

	unsigned long mask;



	if (!node)

	if (!IS_ENABLED(CONFIG_XARRAY_MULTI) || !node)

		return false;

	mask = (XA_CHUNK_SIZE << node->shift) - 1;

	return (xas->xa_index & mask) >