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 1K5Xbpa8 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sat, Oct 19, 2024 at 05:00:37PM -0400, Kent Overstreet wrote: > A user with a 75 TB filesystem reported the following journal replay > error: > https://github.com/koverstreet/bcachefs/issues/769 > > In journal replay we have to sort and dedup all the keys from the > journal, which means we need a large contiguous allocation. Given that > the user has 128GB of ram, the 2GB limit on allocation size has become > far too small. > > Cc: Vlastimil Babka > Cc: Andrew Morton > Signed-off-by: Kent Overstreet > --- > mm/util.c | 6 ------ > 1 file changed, 6 deletions(-) > > diff --git a/mm/util.c b/mm/util.c > index 4f1275023eb7..c60df7723096 100644 > --- a/mm/util.c > +++ b/mm/util.c > @@ -665,12 +665,6 @@ void *__kvmalloc_node_noprof(DECL_BUCKET_PARAMS(size, b), gfp_t flags, int node) > if (!gfpflags_allow_blocking(flags)) > return NULL; > > - /* Don't even allow crazy sizes */ > - if (unlikely(size > INT_MAX)) { > - WARN_ON_ONCE(!(flags & __GFP_NOWARN)); > - return NULL; > - } > - Err, and not replace it with _any_ limit? That seems very unwise. > /* > * kvmalloc() can always use VM_ALLOW_HUGE_VMAP, > * since the callers already cannot assume anything > -- > 2.45.2 >