#endif
+static inline bool slice_addr_is_low(unsigned long addr)
+{
+ u64 tmp = (u64)addr;
+
+ return tmp < SLICE_LOW_TOP;
+}
+
static void slice_range_to_mask(unsigned long start, unsigned long len,
struct slice_mask *ret)
{
if (SLICE_NUM_HIGH)
bitmap_zero(ret->high_slices, SLICE_NUM_HIGH);
- if (start < SLICE_LOW_TOP) {
+ if (slice_addr_is_low(start)) {
unsigned long mend = min(end,
(unsigned long)(SLICE_LOW_TOP - 1));
- (1u << GET_LOW_SLICE_INDEX(start));
}
- if ((start + len) > SLICE_LOW_TOP) {
+ if (SLICE_NUM_HIGH && !slice_addr_is_low(end)) {
unsigned long start_index = GET_HIGH_SLICE_INDEX(start);
unsigned long align_end = ALIGN(end, (1UL << SLICE_HIGH_SHIFT));
unsigned long count = GET_HIGH_SLICE_INDEX(align_end) - start_index;
if (!slice_low_has_vma(mm, i))
ret->low_slices |= 1u << i;
- if (high_limit <= SLICE_LOW_TOP)
+ if (slice_addr_is_low(high_limit - 1))
return;
for (i = 0; i < GET_HIGH_SLICE_INDEX(high_limit); i++)
unsigned long end = start + len - 1;
u64 low_slices = 0;
- if (start < SLICE_LOW_TOP) {
+ if (slice_addr_is_low(start)) {
unsigned long mend = min(end,
(unsigned long)(SLICE_LOW_TOP - 1));
if ((low_slices & available->low_slices) != low_slices)
return false;
- if (SLICE_NUM_HIGH && ((start + len) > SLICE_LOW_TOP)) {
+ if (SLICE_NUM_HIGH && !slice_addr_is_low(end)) {
unsigned long start_index = GET_HIGH_SLICE_INDEX(start);
unsigned long align_end = ALIGN(end, (1UL << SLICE_HIGH_SHIFT));
unsigned long count = GET_HIGH_SLICE_INDEX(align_end) - start_index;
int end, unsigned long *boundary_addr)
{
unsigned long slice;
- if (addr < SLICE_LOW_TOP) {
+ if (slice_addr_is_low(addr)) {
slice = GET_LOW_SLICE_INDEX(addr);
*boundary_addr = (slice + end) << SLICE_LOW_SHIFT;
return !!(available->low_slices & (1u << slice));
VM_BUG_ON(radix_enabled());
- if (addr < SLICE_LOW_TOP) {
+ if (slice_addr_is_low(addr)) {
psizes = mm->context.low_slices_psize;
index = GET_LOW_SLICE_INDEX(addr);
} else {