}
#define for_each_present_section_nr(start, section_nr) \
for (section_nr = next_present_section_nr(start-1); \
- ((section_nr >= 0) && \
+ ((section_nr != -1) && \
(section_nr < NR_MEM_SECTIONS) && \
(section_nr <= __highest_present_section_nr)); \
section_nr = next_present_section_nr(section_nr))
unsigned long pfn;
for (pfn = start_pfn; pfn < end_pfn; pfn += PAGES_PER_SECTION) {
- unsigned long section_nr = pfn_to_section_nr(start_pfn);
+ unsigned long section_nr = pfn_to_section_nr(pfn);
struct mem_section *ms;
/*
struct mem_section *ms;
struct page *memmap;
unsigned long *usemap;
- unsigned long flags;
int ret;
/*
return -ENOMEM;
}
- pgdat_resize_lock(pgdat, &flags);
-
ms = __pfn_to_section(start_pfn);
if (ms->section_mem_map & SECTION_MARKED_PRESENT) {
ret = -EEXIST;
ret = sparse_init_one_section(ms, section_nr, memmap, usemap);
out:
- pgdat_resize_unlock(pgdat, &flags);
if (ret <= 0) {
kfree(usemap);
__kfree_section_memmap(memmap);
unsigned long map_offset)
{
struct page *memmap = NULL;
- unsigned long *usemap = NULL, flags;
- struct pglist_data *pgdat = zone->zone_pgdat;
+ unsigned long *usemap = NULL;
- pgdat_resize_lock(pgdat, &flags);
if (ms->section_mem_map) {
usemap = ms->pageblock_flags;
memmap = sparse_decode_mem_map(ms->section_mem_map,
ms->section_mem_map = 0;
ms->pageblock_flags = NULL;
}
- pgdat_resize_unlock(pgdat, &flags);
clear_hwpoisoned_pages(memmap + map_offset,
PAGES_PER_SECTION - map_offset);