suse man page for grab_cache_page_nowait

Query: grab_cache_page_nowait

OS: suse

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

GRAB_CACHE_PAGE_NOWA(9) 				    Memory Management in Linux					   GRAB_CACHE_PAGE_NOWA(9)

NAME
grab_cache_page_nowait - returns locked page at given index in given cache
SYNOPSIS
struct page * grab_cache_page_nowait(struct address_space * mapping, pgoff_t index);
ARGUMENTS
mapping target address_space index the page index
DESCRIPTION
Same as grab_cache_page, but do not wait if the page is unavailable. This is intended for speculative data generators, where the data can be regenerated if the page couldn't be grabbed. This routine should be safe to call while holding the lock for another page. Clear __GFP_FS when allocating the page to avoid recursion into the fs and deadlock against the caller's locked page.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 GRAB_CACHE_PAGE_NOWA(9)
Related Man Pages
mpage_readpages(9) - suse
mpage_readpages(9) - centos
vm_page_alloc(9) - freebsd
get_user_pages(9) - suse
vm_page_insert(9) - freebsd
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