[PATCH v2 1/9] memblock: reserve_mem: fix end caclulation in reserve_mem_release_by_name()
Mike Rapoport <[email protected]>
| Newsgroups | gmane.linux.ports.sparc,gmane.linux.drivers.devicetree,gmane.linux.ports.arm.kernel,gmane.linux.kernel.efi,gmane.linux.file-systems,gmane.linux.kernel,gmane.linux.kernel.mm,gmane.linux.ports.ppc64.devel |
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| Message-ID | <[email protected]> |
From: "Mike Rapoport (Microsoft)" <[email protected]> free_reserved_area() expects end parameter to point to the first address after the area, but reserve_mem_release_by_name() passes it the last address inside the area. Remove subtraction of one in calculation of the area end. Fixes: 74e2498ccf7b ("mm/memblock: Add reserved memory release function") Signed-off-by: Mike Rapoport (Microsoft) <[email protected]> --- mm/memblock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memblock.c b/mm/memblock.c index b3ddfdec7a80..d4a02f1750e9 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -2434,7 +2434,7 @@ int reserve_mem_release_by_name(const char *name) return 0; start = phys_to_virt(map->start); - end = start + map->size - 1; + end = start + map->size; snprintf(buf, sizeof(buf), "reserve_mem:%s", name); free_reserved_area(start, end, 0, buf); map->size = 0; -- 2.53.0