[lkml]   [2001]   [Aug]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: find_get_swapcache_page() question
On Tue, 28 Aug 2001, Hugh Dickins wrote:

> if (!PageSwapCache(found))
> BUG();
> if (found->mapping != &swapper_space)
> BUG();
> are not safe, since there may a concurrent remove_from_swap_cache(),
> either from try_to_unuse() or from Rik's new vm_swap_full() deletion.
> Those tests would be safe if the page were locked, but it's not.

vm_swap_full() is called with the page locked,
remove_from_swap_cache() also seems to want the
page locked...

IA64: a worthy successor to i860.

Send all your spam to (spam digging piggy)

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 12:58    [W:0.053 / U:0.924 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site