1# zx_vmo_set_size 2 3## NAME 4 5vmo_set_size - resize a VMO object 6 7## SYNOPSIS 8 9``` 10#include <zircon/syscalls.h> 11 12zx_status_t zx_vmo_set_size(zx_handle_t handle, uint64_t size); 13 14``` 15 16## DESCRIPTION 17 18**vmo_set_size**() sets the new size of a VMO object. 19 20The size will be rounded up to the next page size boundary. 21Subsequent calls to **vmo_get_size**() will return the rounded up size. 22 23## RIGHTS 24 25TODO(ZX-2399) 26 27## RETURN VALUE 28 29**vmo_set_size**() returns **ZX_OK** on success. In the event 30of failure, a negative error value is returned. 31 32## ERRORS 33 34**ZX_ERR_BAD_HANDLE** *handle* is not a valid handle. 35 36**ZX_ERR_WRONG_TYPE** *handle* is not a VMO handle. 37 38**ZX_ERR_ACCESS_DENIED** *handle* does not have the **ZX_RIGHT_WRITE** right. 39 40**ZX_ERR_UNAVAILABLE** The VMO was created with **ZX_VMO_NON_RESIZABLE** option. 41 42**ZX_ERR_OUT_OF_RANGE** Requested size is too large. 43 44**ZX_ERR_NO_MEMORY** Failure due to lack of system memory. 45 46## SEE ALSO 47 48[vmo_create](vmo_create.md), 49[vmo_clone](vmo_clone.md), 50[vmo_read](vmo_read.md), 51[vmo_write](vmo_write.md), 52[vmo_get_size](vmo_get_size.md), 53[vmo_op_range](vmo_op_range.md). 54