__lock_page_killable

Name:__lock_page_killable

Proto:int __lock_page_killable(struct page *__page)

Type:int

Parameter:

Type	Parameter	Name
struct page *	__page

1390

page = compound_head(__page)

1391

q = page_waitqueue(page)

1392

Return wait_on_page_bit_common(q, page, PG_locked, Convenience macros for the sake of set_current_state: , Hold ref to page and take the bit when woken, like* __lock_page() waiting on then setting PG_locked.)

**Caller**
Name	Describe
__lock_page_or_retry	Return values:* 1 - page is locked; mmap_sem is still held
lock_page_maybe_drop_mmap	lock_page_maybe_drop_mmap - lock the page, possibly dropping the mmap_sem@vmf - the vm_fault for this fault.@page - the page to lock.*@fpin - the pointer to the file we may pin (or is already pinned).
lock_page_killable	lock_page_killable is like lock_page but can be interrupted by fatal* signals. It returns 0 if it locked the page and -EINTR if it was* killed while waiting.

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