提交 b693fffb 编写于 作者: B Benjamin Herrenschmidt

memblock: Remove memblock_find()

Nobody uses it anymore. It's semantics were ... weird
Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
上级 1e2b9040
......@@ -60,7 +60,6 @@ extern int memblock_is_memory(u64 addr);
extern int memblock_is_region_memory(u64 base, u64 size);
extern int __init memblock_is_reserved(u64 addr);
extern int memblock_is_region_reserved(u64 base, u64 size);
extern int memblock_find(struct memblock_region *res);
extern void memblock_dump_all(void);
......
......@@ -531,35 +531,3 @@ int memblock_is_region_reserved(u64 base, u64 size)
return memblock_overlaps_region(&memblock.reserved, base, size) >= 0;
}
/*
* Given a <base, len>, find which memory regions belong to this range.
* Adjust the request and return a contiguous chunk.
*/
int memblock_find(struct memblock_region *res)
{
int i;
u64 rstart, rend;
rstart = res->base;
rend = rstart + res->size - 1;
for (i = 0; i < memblock.memory.cnt; i++) {
u64 start = memblock.memory.regions[i].base;
u64 end = start + memblock.memory.regions[i].size - 1;
if (start > rend)
return -1;
if ((end >= rstart) && (start < rend)) {
/* adjust the request */
if (rstart < start)
rstart = start;
if (rend > end)
rend = end;
res->base = rstart;
res->size = rend - rstart + 1;
return 0;
}
}
return -1;
}
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