Merge 4d1a2d1363 ("mm/memblock: repeat setting reserved region nid if array is doubled") into android-mainline

Steps on the way to 6.6.90

Change-Id: I2baed159d1b8e3cc3aa36a017a77f7075a0acdfb
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman
2025-05-21 10:01:27 +00:00

View File

@@ -2440,11 +2440,14 @@ static void __init memmap_init_reserved_pages(void)
struct memblock_region *region;
phys_addr_t start, end;
int nid;
unsigned long max_reserved;
/*
* set nid on all reserved pages and also treat struct
* pages for the NOMAP regions as PageReserved
*/
repeat:
max_reserved = memblock.reserved.max;
for_each_mem_region(region) {
nid = memblock_get_region_node(region);
start = region->base;
@@ -2455,6 +2458,13 @@ static void __init memmap_init_reserved_pages(void)
memblock_set_node(start, region->size, &memblock.reserved, nid);
}
/*
* 'max' is changed means memblock.reserved has been doubled its
* array, which may result a new reserved region before current
* 'start'. Now we should repeat the procedure to set its node id.
*/
if (max_reserved != memblock.reserved.max)
goto repeat;
/* initialize struct pages for the reserved regions */
for_each_reserved_mem_region(region) {