diff options
| author | Mike Rapoport <rppt@linux.vnet.ibm.com> | 2018-06-30 17:54:57 +0300 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2018-08-02 12:17:26 -0600 |
| commit | 8108ad51fe29d06da7bc963ab32e78ae6d882d5d (patch) | |
| tree | 160d803407a0c1b8a1b35e90f99290ac723d58a9 /mm | |
| parent | 04c450603fe4976e857099d15ba360b7cebb4e6d (diff) | |
docs/mm: nobootmem: fixup kernel-doc comments
* add kernel-doc marking to free_bootmem_late() description
* add return value descriptions
* mention that address parameter of free_bootmem{_node} is a physical address
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/nobootmem.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/mm/nobootmem.c b/mm/nobootmem.c index 9b02fda0886b..c2cfa04f0231 100644 --- a/mm/nobootmem.c +++ b/mm/nobootmem.c @@ -72,7 +72,7 @@ again: return ptr; } -/* +/** * free_bootmem_late - free bootmem pages directly to page allocator * @addr: starting address of the range * @size: size of the range in bytes @@ -176,7 +176,7 @@ void __init reset_all_zones_managed_pages(void) /** * free_all_bootmem - release free pages to the buddy allocator * - * Returns the number of pages actually released. + * Return: the number of pages actually released. */ unsigned long __init free_all_bootmem(void) { @@ -193,7 +193,7 @@ unsigned long __init free_all_bootmem(void) /** * free_bootmem_node - mark a page range as usable * @pgdat: node the range resides on - * @physaddr: starting address of the range + * @physaddr: starting physical address of the range * @size: size of the range in bytes * * Partial pages will be considered reserved and left as they are. @@ -208,7 +208,7 @@ void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr, /** * free_bootmem - mark a page range as usable - * @addr: starting address of the range + * @addr: starting physical address of the range * @size: size of the range in bytes * * Partial pages will be considered reserved and left as they are. @@ -256,7 +256,7 @@ restart: * * Allocation may happen on any node in the system. * - * Returns NULL on failure. + * Return: address of the allocated region or %NULL on failure. */ void * __init __alloc_bootmem_nopanic(unsigned long size, unsigned long align, unsigned long goal) @@ -293,6 +293,8 @@ static void * __init ___alloc_bootmem(unsigned long size, unsigned long align, * Allocation may happen on any node in the system. * * The function panics if the request can not be satisfied. + * + * Return: address of the allocated region. */ void * __init __alloc_bootmem(unsigned long size, unsigned long align, unsigned long goal) @@ -367,6 +369,8 @@ static void * __init ___alloc_bootmem_node(pg_data_t *pgdat, unsigned long size, * can not hold the requested memory. * * The function panics if the request can not be satisfied. + * + * Return: address of the allocated region. */ void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal) @@ -396,6 +400,8 @@ void * __init __alloc_bootmem_node_high(pg_data_t *pgdat, unsigned long size, * Allocation may happen on any node in the system. * * The function panics if the request can not be satisfied. + * + * Return: address of the allocated region. */ void * __init __alloc_bootmem_low(unsigned long size, unsigned long align, unsigned long goal) @@ -425,6 +431,8 @@ void * __init __alloc_bootmem_low_nopanic(unsigned long size, * can not hold the requested memory. * * The function panics if the request can not be satisfied. + * + * Return: address of the allocated region. */ void * __init __alloc_bootmem_low_node(pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal) |