Re: [PATCH 03/16] Rename memory allocation/free functions

Grant Likely
2013-08-30T12:54:25Z

On Fri, 9 Aug 2013 16:26:04 -0700, Roy Franz <roy.franz@linaro.org> wrote:
> Rename them to be more similar, as low_free() could be used to free
> memory allocated by both high_alloc() and low_alloc().
> high_alloc() -> efi_high_alloc()
> low_alloc() -> efi_low_alloc()
> low_free() -> efi_free()
>
> Signed-off-by: Roy Franz <roy.franz@linaro.org>
> ---

Looks reasonable.

Reviewed-by: Grant Likely <grant.likely@linaro.org>

> arch/x86/boot/compressed/eboot.c | 19 ++++++++++---------
> drivers/firmware/efi/efi-stub-helper.c | 14 +++++++-------
> 2 files changed, 17 insertions(+), 16 deletions(-)
>
> diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
> index 65b6a34..2a4430a 100644
> --- a/arch/x86/boot/compressed/eboot.c
> +++ b/arch/x86/boot/compressed/eboot.c
> @@ -457,7 +457,8 @@ struct boot_params *make_boot_params(void *handle, efi_system_table_t *_table)
> return NULL;
> }
>
> - status = low_alloc(sys_table, 0x4000, 1, (unsigned long *)&boot_params);
> + status = efi_low_alloc(sys_table, 0x4000, 1,
> + (unsigned long *)&boot_params);
> if (status != EFI_SUCCESS) {
> efi_printk(sys_table, "Failed to alloc lowmem for boot params\n");
> return NULL;
> @@ -503,7 +504,7 @@ struct boot_params *make_boot_params(void *handle, efi_system_table_t *_table)
>
> options_size++; /* NUL termination */
>
> - status = low_alloc(sys_table, options_size, 1,
> + status = efi_low_alloc(sys_table, options_size, 1,
> &cmdline);
> if (status != EFI_SUCCESS) {
> efi_printk(sys_table, "Failed to alloc mem for cmdline\n");
> @@ -537,9 +538,9 @@ struct boot_params *make_boot_params(void *handle, efi_system_table_t *_table)
> return boot_params;
> fail2:
> if (options_size)
> - low_free(sys_table, options_size, hdr->cmd_line_ptr);
> + efi_free(sys_table, options_size, hdr->cmd_line_ptr);
> fail:
> - low_free(sys_table, 0x4000, (unsigned long)boot_params);
> + efi_free(sys_table, 0x4000, (unsigned long)boot_params);
> return NULL;
> }
>
> @@ -562,7 +563,7 @@ static efi_status_t exit_boot(struct boot_params *boot_params,
> again:
> size += sizeof(*mem_map) * 2;
> _size = size;
> - status = low_alloc(sys_table, size, 1, (unsigned long *)&mem_map);
> + status = efi_low_alloc(sys_table, size, 1, (unsigned long *)&mem_map);
> if (status != EFI_SUCCESS)
> return status;
>
> @@ -570,7 +571,7 @@ get_map:
> status = efi_call_phys5(sys_table->boottime->get_memory_map, &size,
> mem_map, &key, &desc_size, &desc_version);
> if (status == EFI_BUFFER_TOO_SMALL) {
> - low_free(sys_table, _size, (unsigned long)mem_map);
> + efi_free(sys_table, _size, (unsigned long)mem_map);
> goto again;
> }
>
> @@ -672,7 +673,7 @@ get_map:
> return EFI_SUCCESS;
>
> free_mem_map:
> - low_free(sys_table, _size, (unsigned long)mem_map);
> + efi_free(sys_table, _size, (unsigned long)mem_map);
> return status;
> }
>
> @@ -695,7 +696,7 @@ static efi_status_t relocate_kernel(struct setup_header *hdr)
> EFI_ALLOCATE_ADDRESS, EFI_LOADER_DATA,
> nr_pages, &start);
> if (status != EFI_SUCCESS) {
> - status = low_alloc(sys_table, hdr->init_size,
> + status = efi_low_alloc(sys_table, hdr->init_size,
> hdr->kernel_alignment, &start);
> if (status != EFI_SUCCESS)
> efi_printk(sys_table, "Failed to alloc mem for kernel\n");
> @@ -743,7 +744,7 @@ struct boot_params *efi_main(void *handle, efi_system_table_t *_table,
> }
>
> gdt->size = 0x800;
> - status = low_alloc(sys_table, gdt->size, 8,
> + status = efi_low_alloc(sys_table, gdt->size, 8,
> (unsigned long *)&gdt->address);
> if (status != EFI_SUCCESS) {
> efi_printk(sys_table, "Failed to alloc mem for gdt\n");
> diff --git a/drivers/firmware/efi/efi-stub-helper.c b/drivers/firmware/efi/efi-stub-helper.c
> index bd6c1a2..0218d535 100644
> --- a/drivers/firmware/efi/efi-stub-helper.c
> +++ b/drivers/firmware/efi/efi-stub-helper.c
> @@ -86,7 +86,7 @@ fail:
> /*
> * Allocate at the highest possible address that is not above 'max'.
> */
> -static efi_status_t high_alloc(efi_system_table_t *sys_table_arg,
> +static efi_status_t efi_high_alloc(efi_system_table_t *sys_table_arg,
> unsigned long size, unsigned long align,
> unsigned long *addr, unsigned long max)
> {
> @@ -165,8 +165,8 @@ fail:
> /*
> * Allocate at the lowest possible address.
> */
> -static efi_status_t low_alloc(efi_system_table_t *sys_table_arg,
> - unsigned long size, unsigned long align,
> +static efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg,
> + unsigned long size, unsigned long align,
> unsigned long *addr)
> {
> unsigned long map_size, desc_size;
> @@ -226,7 +226,7 @@ fail:
> return status;
> }
>
> -static void low_free(efi_system_table_t *sys_table_arg, unsigned long size,
> +static void efi_free(efi_system_table_t *sys_table_arg, unsigned long size,
> unsigned long addr)
> {
> unsigned long nr_pages;
> @@ -407,8 +407,8 @@ grow:
> * addresses in memory, so allocate enough memory for
> * all the initrd's.
> */
> - status = high_alloc(sys_table_arg, initrd_total, 0x1000,
> - &initrd_addr, hdr->initrd_addr_max);
> + status = efi_high_alloc(sys_table_arg, initrd_total, 0x1000,
> + &initrd_addr, hdr->initrd_addr_max);
> if (status != EFI_SUCCESS) {
> efi_printk(sys_table_arg, "Failed to alloc highmem for initrds\n");
> goto close_handles;
> @@ -456,7 +456,7 @@ grow:
> return status;
>
> free_initrd_total:
> - low_free(sys_table_arg, initrd_total, initrd_addr);
> + efi_free(sys_table_arg, initrd_total, initrd_addr);
>
> close_handles:
> for (k = j; k < i; k++)
> --
> 1.7.10.4
>
>
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