On 2020-12-07 03:34, HORIGUCHI NAOYA wrote:
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 869ece2a1de2..ba861169c9ae 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1269,6 +1269,12 @@ static int memory_failure_dev_pagemap(unsigned
long pfn, int flags,
if
On Sat, Dec 05, 2020 at 04:34:23PM +0100, Oscar Salvador wrote:
> On Fri, Dec 04, 2020 at 06:25:31PM +0100, Vlastimil Babka wrote:
> > OK, so that means we don't introduce this race for MADV_SOFT_OFFLINE, but
> > it's
> > already (and still) there for MADV_HWPOISON since Dan's 23e7b5c2e271 ("mm,
On Fri, Dec 04, 2020 at 06:25:31PM +0100, Vlastimil Babka wrote:
> OK, so that means we don't introduce this race for MADV_SOFT_OFFLINE, but it's
> already (and still) there for MADV_HWPOISON since Dan's 23e7b5c2e271 ("mm,
> madvise_inject_error: Let memory_failure() optionally take a page
On 12/1/20 12:35 PM, Oscar Salvador wrote:
> On Wed, Nov 25, 2020 at 07:20:33PM +0100, Vlastimil Babka wrote:
>> On 11/19/20 11:57 AM, Oscar Salvador wrote:
>> > From: Naoya Horiguchi
>> >
>> > The call to get_user_pages_fast is only to get the pointer to a struct
>> > page of a given address,
On Wed, Nov 25, 2020 at 07:20:33PM +0100, Vlastimil Babka wrote:
> On 11/19/20 11:57 AM, Oscar Salvador wrote:
> > From: Naoya Horiguchi
> >
> > The call to get_user_pages_fast is only to get the pointer to a struct
> > page of a given address, pinning it is memory-poisoning handler's job,
> >
On 11/19/20 11:57 AM, Oscar Salvador wrote:
From: Naoya Horiguchi
The call to get_user_pages_fast is only to get the pointer to a struct
page of a given address, pinning it is memory-poisoning handler's job,
so drop the refcount grabbed by get_user_pages_fast().
Note that the target page is
From: Naoya Horiguchi
The call to get_user_pages_fast is only to get the pointer to a struct
page of a given address, pinning it is memory-poisoning handler's job,
so drop the refcount grabbed by get_user_pages_fast().
Note that the target page is still pinned after this put_page() because
the
7 matches
Mail list logo
