tree 3a6c152dcb0d062dadfecd9fb8b1866a0fdbfce5
parent f99b55eec795bd0fd577ab3ca06f3acfbe3b1ab1
author Mikulas Patocka <mpatocka@redhat.com> 1306670587 +0100
committer Alasdair G Kergon <agk@redhat.com> 1306670587 +0100

dm kcopyd: alloc pages from the main page allocator

This patch changes dm-kcopyd so that it allocates pages from the main
page allocator with __GFP_NOWARN | __GFP_NORETRY flags (so that it can
fail in case of memory pressure). If the allocation fails, dm-kcopyd
allocates pages from its own reserve.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>