diff options
| author | Wanpeng Li <liwanp@linux.vnet.ibm.com> | 2013-09-11 14:22:42 -0700 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2019-05-02 21:08:11 +0200 |
| commit | 615af4bf98cddd40f8e874e1ef9756026d68f75b (patch) | |
| tree | 010247d1342c232b0fafc3e3a7a8c2501d9c66a6 /mm/vmalloc.c | |
| parent | 190b8951388b90897e47482a66c2884bea53245e (diff) | |
mm/vmalloc: use wrapper function get_vm_area_size to caculate size of vm area
Use wrapper function get_vm_area_size to calculate size of vm area.
Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Change-Id: If24409795c20b6502b8744015ef850953d2d388d
(cherry picked from commit de227cc3e51e9a273d659b3d634c5e8f10b452b6)
Diffstat (limited to 'mm/vmalloc.c')
| -rw-r--r-- | mm/vmalloc.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 8ba38ca0e..dd7596590 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -1300,7 +1300,7 @@ void unmap_kernel_range(unsigned long addr, unsigned long size) int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages) { unsigned long addr = (unsigned long)area->addr; - unsigned long end = addr + area->size - PAGE_SIZE; + unsigned long end = addr + get_vm_area_size(area); int err; err = vmap_page_range(addr, end, prot, *pages); @@ -1595,7 +1595,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask, unsigned int nr_pages, array_size, i; gfp_t nested_gfp = (gfp_mask & GFP_RECLAIM_MASK) | __GFP_ZERO; - nr_pages = (area->size - PAGE_SIZE) >> PAGE_SHIFT; + nr_pages = get_vm_area_size(area) >> PAGE_SHIFT; array_size = (nr_pages * sizeof(struct page *)); area->nr_pages = nr_pages; @@ -2027,7 +2027,7 @@ long vread(char *buf, char *addr, unsigned long count) vm = va->vm; vaddr = (char *) vm->addr; - if (addr >= vaddr + vm->size - PAGE_SIZE) + if (addr >= vaddr + get_vm_area_size(vm)) continue; while (addr < vaddr) { if (count == 0) @@ -2037,7 +2037,7 @@ long vread(char *buf, char *addr, unsigned long count) addr++; count--; } - n = vaddr + vm->size - PAGE_SIZE - addr; + n = vaddr + get_vm_area_size(vm) - addr; if (n > count) n = count; if (!(vm->flags & VM_IOREMAP)) @@ -2109,7 +2109,7 @@ long vwrite(char *buf, char *addr, unsigned long count) vm = va->vm; vaddr = (char *) vm->addr; - if (addr >= vaddr + vm->size - PAGE_SIZE) + if (addr >= vaddr + get_vm_area_size(vm)) continue; while (addr < vaddr) { if (count == 0) @@ -2118,7 +2118,7 @@ long vwrite(char *buf, char *addr, unsigned long count) addr++; count--; } - n = vaddr + vm->size - PAGE_SIZE - addr; + n = vaddr + get_vm_area_size(vm) - addr; if (n > count) n = count; if (!(vm->flags & VM_IOREMAP)) { |