register_page_bootmem_memmap()'s 3rd 'size' parameter is named
in a somewhat misleading fashion - rename it to 'nr_pages' which
makes the units of it much clearer.
Meanwhile rename the existing local variable 'nr_pages' to
'nr_pmd_pages', a more expressive name, to avoid conflict with
new function parameter 'nr_pages'.
(Also clean up the unnecessary parentheses in which get_order() is called.)
Signed-off-by: Baoquan He <bhe@redhat.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: akpm@linux-foundation.org
Link: http://lkml.kernel.org/r/1509154238-23250-1-git-send-email-bhe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
#if defined(CONFIG_MEMORY_HOTPLUG_SPARSE) && defined(CONFIG_HAVE_BOOTMEM_INFO_NODE)
void register_page_bootmem_memmap(unsigned long section_nr,
#if defined(CONFIG_MEMORY_HOTPLUG_SPARSE) && defined(CONFIG_HAVE_BOOTMEM_INFO_NODE)
void register_page_bootmem_memmap(unsigned long section_nr,
- struct page *start_page, unsigned long size)
+ struct page *start_page, unsigned long nr_pages)
{
unsigned long addr = (unsigned long)start_page;
{
unsigned long addr = (unsigned long)start_page;
- unsigned long end = (unsigned long)(start_page + size);
+ unsigned long end = (unsigned long)(start_page + nr_pages);
unsigned long next;
pgd_t *pgd;
p4d_t *p4d;
pud_t *pud;
pmd_t *pmd;
unsigned long next;
pgd_t *pgd;
p4d_t *p4d;
pud_t *pud;
pmd_t *pmd;
+ unsigned int nr_pmd_pages;
struct page *page;
for (; addr < end; addr = next) {
struct page *page;
for (; addr < end; addr = next) {
if (pmd_none(*pmd))
continue;
if (pmd_none(*pmd))
continue;
- nr_pages = 1 << (get_order(PMD_SIZE));
+ nr_pmd_pages = 1 << get_order(PMD_SIZE);
get_page_bootmem(section_nr, page++,
SECTION_INFO);
}
get_page_bootmem(section_nr, page++,
SECTION_INFO);
}
void vmemmap_free(unsigned long start, unsigned long end);
#endif
void register_page_bootmem_memmap(unsigned long section_nr, struct page *map,
void vmemmap_free(unsigned long start, unsigned long end);
#endif
void register_page_bootmem_memmap(unsigned long section_nr, struct page *map,
+ unsigned long nr_pages);
enum mf_flags {
MF_COUNT_INCREASED = 1 << 0,
enum mf_flags {
MF_COUNT_INCREASED = 1 << 0,