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authorDmitry Safonov <[email protected]>2020-12-14 19:08:17 -0800
committerLinus Torvalds <[email protected]>2020-12-15 12:13:41 -0800
commitdd3b614f858d88f33e0cf8b7353e2ad937e71da3 (patch)
tree38342e1136cdddec10974f81a5a34237525b54f6 /ipc
parentcd544fd1dc9293c6702fab6effa63dac1cc67e99 (diff)
vm_ops: rename .split() callback to .may_split()
Rename the callback to reflect that it's not called *on* or *after* split, but rather some time before the splitting to check if it's possible. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Dmitry Safonov <[email protected]> Cc: Alexander Viro <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Brian Geffon <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Dan Carpenter <[email protected]> Cc: Dan Williams <[email protected]> Cc: Dave Jiang <[email protected]> Cc: Hugh Dickins <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jason Gunthorpe <[email protected]> Cc: John Hubbard <[email protected]> Cc: "Kirill A. Shutemov" <[email protected]> Cc: Mike Kravetz <[email protected]> Cc: Minchan Kim <[email protected]> Cc: Ralph Campbell <[email protected]> Cc: Russell King <[email protected]> Cc: Thomas Bogendoerfer <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Vishal Verma <[email protected]> Cc: Vlastimil Babka <[email protected]> Cc: Will Deacon <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'ipc')
-rw-r--r--ipc/shm.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/ipc/shm.c b/ipc/shm.c
index e25c7c6106bc..febd88daba8c 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -434,13 +434,13 @@ static vm_fault_t shm_fault(struct vm_fault *vmf)
return sfd->vm_ops->fault(vmf);
}
-static int shm_split(struct vm_area_struct *vma, unsigned long addr)
+static int shm_may_split(struct vm_area_struct *vma, unsigned long addr)
{
struct file *file = vma->vm_file;
struct shm_file_data *sfd = shm_file_data(file);
- if (sfd->vm_ops->split)
- return sfd->vm_ops->split(vma, addr);
+ if (sfd->vm_ops->may_split)
+ return sfd->vm_ops->may_split(vma, addr);
return 0;
}
@@ -582,7 +582,7 @@ static const struct vm_operations_struct shm_vm_ops = {
.open = shm_open, /* callback for a new vm-area open */
.close = shm_close, /* callback for when the vm-area is released */
.fault = shm_fault,
- .split = shm_split,
+ .may_split = shm_may_split,
.pagesize = shm_pagesize,
#if defined(CONFIG_NUMA)
.set_policy = shm_set_policy,