Commit e8b098fc authored by Mike Rapoport's avatar Mike Rapoport Committed by Linus Torvalds
parent 002843de
......@@ -165,6 +165,9 @@ core_initcall(cma_init_reserved_areas);
* @base: Base address of the reserved area
* @size: Size of the reserved area (in bytes),
* @order_per_bit: Order of pages represented by one bit on bitmap.
* @name: The name of the area. If this parameter is NULL, the name of
* the area will be set to "cmaN", where N is a running counter of
* used areas.
* @res_cma: Pointer to store the created cma region.
*
* This function creates custom contiguous area from already reserved memory.
......@@ -227,6 +230,7 @@ int __init cma_init_reserved_mem(phys_addr_t base, phys_addr_t size,
* @alignment: Alignment for the CMA area, should be power of 2 or zero
* @order_per_bit: Order of pages represented by one bit on bitmap.
* @fixed: hint about where to place the reserved area
* @name: The name of the area. See function cma_init_reserved_mem()
* @res_cma: Pointer to store the created cma region.
*
* This function reserves memory from early allocator. It should be
......@@ -390,6 +394,7 @@ static inline void cma_debug_show_areas(struct cma *cma) { }
* @cma: Contiguous memory region for which the allocation is performed.
* @count: Requested number of pages.
* @align: Requested alignment of pages (in PAGE_SIZE order).
* @gfp_mask: GFP mask to use during compaction
*
* This function allocates part of contiguous memory on specific
* contiguous memory area.
......
......@@ -576,6 +576,7 @@ static unsigned long isolate_freepages_block(struct compact_control *cc,
/**
* isolate_freepages_range() - isolate free pages.
* @cc: Compaction control structure.
* @start_pfn: The first PFN to start isolating.
* @end_pfn: The one-past-last PFN.
*
......
......@@ -1187,6 +1187,11 @@ EXPORT_SYMBOL(kmemleak_no_scan);
/**
* kmemleak_alloc_phys - similar to kmemleak_alloc but taking a physical
* address argument
* @phys: physical address of the object
* @size: size of the object
* @min_count: minimum number of references to this object.
* See kmemleak_alloc()
* @gfp: kmalloc() flags used for kmemleak internal memory allocations
*/
void __ref kmemleak_alloc_phys(phys_addr_t phys, size_t size, int min_count,
gfp_t gfp)
......@@ -1199,6 +1204,9 @@ EXPORT_SYMBOL(kmemleak_alloc_phys);
/**
* kmemleak_free_part_phys - similar to kmemleak_free_part but taking a
* physical address argument
* @phys: physical address if the beginning or inside an object. This
* also represents the start of the range to be freed
* @size: size to be unregistered
*/
void __ref kmemleak_free_part_phys(phys_addr_t phys, size_t size)
{
......@@ -1210,6 +1218,7 @@ EXPORT_SYMBOL(kmemleak_free_part_phys);
/**
* kmemleak_not_leak_phys - similar to kmemleak_not_leak but taking a physical
* address argument
* @phys: physical address of the object
*/
void __ref kmemleak_not_leak_phys(phys_addr_t phys)
{
......@@ -1221,6 +1230,7 @@ EXPORT_SYMBOL(kmemleak_not_leak_phys);
/**
* kmemleak_ignore_phys - similar to kmemleak_ignore but taking a physical
* address argument
* @phys: physical address of the object
*/
void __ref kmemleak_ignore_phys(phys_addr_t phys)
{
......
......@@ -541,6 +541,7 @@ static int __remove_section(struct zone *zone, struct mem_section *ms,
* @zone: zone from which pages need to be removed
* @phys_start_pfn: starting pageframe (must be aligned to start of a section)
* @nr_pages: number of pages to remove (must be multiple of section size)
* @altmap: alternative device page map or %NULL if default memmap is used
*
* Generic helper function to remove section mappings and sysfs entries
* for the section of the memory we are removing. Caller needs to make
......@@ -1044,6 +1045,7 @@ static void rollback_node_hotadd(int nid, pg_data_t *pgdat)
/**
* try_online_node - online a node if offlined
* @nid: the node ID
*
* called by cpu_up() to online a node without onlined memory.
*/
......@@ -1804,6 +1806,7 @@ static int check_and_unmap_cpu_on_node(pg_data_t *pgdat)
/**
* try_offline_node
* @nid: the node ID
*
* Offline a node if all memory sections and cpus of the node are removed.
*
......@@ -1847,6 +1850,9 @@ EXPORT_SYMBOL(try_offline_node);
/**
* remove_memory
* @nid: the node ID
* @start: physical address of the region to remove
* @size: size of the region to remove
*
* NOTE: The caller must call lock_device_hotplug() to serialize hotplug
* and online/offline operations before this call, as required by
......
......@@ -185,6 +185,8 @@ static bool is_dump_unreclaim_slabs(void)
* oom_badness - heuristic function to determine which candidate task to kill
* @p: task struct of which task we should calculate
* @totalpages: total present RAM allowed for page allocation
* @memcg: task's memory controller, if constrained
* @nodemask: nodemask passed to page allocator for mempolicy ooms
*
* The heuristic for determining which task to kill is made to be as simple and
* predictable as possible. The goal is to return the highest value for the
......
......@@ -258,6 +258,9 @@ static int __walk_page_range(unsigned long start, unsigned long end,
/**
* walk_page_range - walk page table with caller specific callbacks
* @start: start address of the virtual address range
* @end: end address of the virtual address range
* @walk: mm_walk structure defining the callbacks and the target address space
*
* Recursively walk the page table tree of the process represented by @walk->mm
* within the virtual address range [@start, @end). During walking, we can do
......
......@@ -1171,6 +1171,7 @@ void page_add_new_anon_rmap(struct page *page,
/**
* page_add_file_rmap - add pte mapping to a file page
* @page: the page to add the mapping to
* @compound: charge the page as compound or small page
*
* The caller needs to hold the pte lock.
*/
......
......@@ -851,6 +851,7 @@ static struct page *get_next_page(struct page *page)
/**
* obj_to_location - get (<page>, <obj_idx>) from encoded object value
* @obj: the encoded object value
* @page: page object resides in zspage
* @obj_idx: object index
*/
......@@ -1301,6 +1302,7 @@ EXPORT_SYMBOL_GPL(zs_get_total_pages);
* zs_map_object - get address of allocated object from handle.
* @pool: pool from which the object was allocated
* @handle: handle returned from zs_malloc
* @mm: maping mode to use
*
* Before using an object allocated from zs_malloc, it must be mapped using
* this function. When done with the object, it must be unmapped using
......
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