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(parent: f99b55e) | patch
dm kcopyd: alloc pages from the main page allocator
authorMikulas Patocka <mpatocka@redhat.com>
Sun, 29 May 2011 12:03:07 +0000 (13:03 +0100)
committerAlasdair G Kergon <agk@redhat.com>
Sun, 29 May 2011 12:03:07 +0000 (13:03 +0100)
commitd04714580f12379fcf7a0f799e86c92b96dd4e1f
tree3a6c152dcb0d062dadfecd9fb8b1866a0fdbfce5tree | snapshot (tar.gz zip)
parentf99b55eec795bd0fd577ab3ca06f3acfbe3b1ab1commit | diff
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>
drivers/md/dm-kcopyd.c diff | blob | blame | history