| From: ZhangPeng <zhangpeng362@huawei.com> |
| Subject: mm/mmap.c: use helper macro K() |
| Date: Fri, 4 Aug 2023 09:25:58 +0800 |
| |
| Use helper macro K() to improve code readability. No functional |
| modification involved. |
| |
| Link: https://lkml.kernel.org/r/20230804012559.2617515-7-zhangpeng362@huawei.com |
| Signed-off-by: ZhangPeng <zhangpeng362@huawei.com> |
| Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> |
| Reviewed-by: David Hildenbrand <david@redhat.com> |
| Cc: Kefeng Wang <wangkefeng.wang@huawei.com> |
| Cc: Nanyong Sun <sunnanyong@huawei.com> |
| Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
| --- |
| |
| mm/mmap.c | 6 +++--- |
| 1 file changed, 3 insertions(+), 3 deletions(-) |
| |
| --- a/mm/mmap.c~mm-mmapc-use-helper-macro-k |
| +++ a/mm/mmap.c |
| @@ -3785,7 +3785,7 @@ static int init_user_reserve(void) |
| { |
| unsigned long free_kbytes; |
| |
| - free_kbytes = global_zone_page_state(NR_FREE_PAGES) << (PAGE_SHIFT - 10); |
| + free_kbytes = K(global_zone_page_state(NR_FREE_PAGES)); |
| |
| sysctl_user_reserve_kbytes = min(free_kbytes / 32, 1UL << 17); |
| return 0; |
| @@ -3806,7 +3806,7 @@ static int init_admin_reserve(void) |
| { |
| unsigned long free_kbytes; |
| |
| - free_kbytes = global_zone_page_state(NR_FREE_PAGES) << (PAGE_SHIFT - 10); |
| + free_kbytes = K(global_zone_page_state(NR_FREE_PAGES)); |
| |
| sysctl_admin_reserve_kbytes = min(free_kbytes / 32, 1UL << 13); |
| return 0; |
| @@ -3850,7 +3850,7 @@ static int reserve_mem_notifier(struct n |
| |
| break; |
| case MEM_OFFLINE: |
| - free_kbytes = global_zone_page_state(NR_FREE_PAGES) << (PAGE_SHIFT - 10); |
| + free_kbytes = K(global_zone_page_state(NR_FREE_PAGES)); |
| |
| if (sysctl_user_reserve_kbytes > free_kbytes) { |
| init_user_reserve(); |
| _ |
