iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mm/page_alloc: use helper macro SZ_1{K,M}

Browse Source 
Use helper macro SZ_1K and SZ_1M to do the size conversion.  Minor
readability improvement.

Link: https://lkml.kernel.org/r/20220916072257.9639-13-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Miaohe Lin 2022-09-16 15:22:53 +08:00 committed by Andrew Morton
parent 6dc2c87a5a
commit c940e0207a
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
mm/page_alloc.c
View File

@ -7056,7 +7056,7 @@ static int zone_batchsize(struct zone *zone)
* size is striking a balance between allocation latency
* and zone lock contention.
*/
batch = min(zone_managed_pages(zone) >> 10, (1024 * 1024) / PAGE_SIZE);
batch = min(zone_managed_pages(zone) >> 10, SZ_1M / PAGE_SIZE);
batch /= 4; /* We effectively *= 4 below */
if (batch < 1)
batch = 1;
@ -8531,8 +8531,8 @@ void __init mem_init_print_info(void)
#endif
")\n",
K(nr_free_pages()), K(physpages),
codesize >> 10, datasize >> 10, rosize >> 10,
(init_data_size + init_code_size) >> 10, bss_size >> 10,
codesize / SZ_1K, datasize / SZ_1K, rosize / SZ_1K,
(init_data_size + init_code_size) / SZ_1K, bss_size / SZ_1K,
K(physpages - totalram_pages() - totalcma_pages),
K(totalcma_pages)
#ifdef CONFIG_HIGHMEM
@ -9057,8 +9057,8 @@ void *__init alloc_large_system_hash(const char *tablename,
numentries -= arch_reserved_kernel_pages();
/* It isn't necessary when PAGE_SIZE >= 1MB */
if (PAGE_SHIFT < 20)
numentries = round_up(numentries, (1<<20)/PAGE_SIZE);
if (PAGE_SIZE < SZ_1M)
numentries = round_up(numentries, SZ_1M / PAGE_SIZE);
#if __BITS_PER_LONG > 32
if (!high_limit) {