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AJvYcCXvybbQ8Vyi4rBBW+5exDEbfapH1vfKNWrnfXhLKttSwXVY6GRTqPpziSrjdGxORCaZ7OrrQzLz/pl2E1jPNPM=@vger.kernel.org X-Gm-Message-State: AOJu0YxyRxCpy0Ow0/JFn8Kcvu53/kpwMnc+u6ms1aQDuHZJHhW+bVFV sNv9Y5rfZ4JIzEHswSNYaNmnWavWaeMiXvpiBXZiuAh1qQIdLN3+M4aaGPjgD1n0P3ROKz2V98L 4AUNv16A/d8q7iG8k45HNqw== X-Google-Smtp-Source: AGHT+IGzA4nKfM70wloRZKktU8I5wwl9MfYLThvDDzHIgaA6loY/0Smr81sI2GQQVA1zTeWX0Ryp6QAH+KUadLwDFg== X-Received: from ackerleytng-ctop.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:13f8]) (user=ackerleytng job=sendgmr) by 2002:a17:903:1c3:b0:205:71f1:853f with SMTP id d9443c01a7336-207521d6944mr178125ad.5.1726011878156; Tue, 10 Sep 2024 16:44:38 -0700 (PDT) Date: Tue, 10 Sep 2024 23:43:34 +0000 In-Reply-To: Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.46.0.598.g6f2099f65c-goog Message-ID: <5a5e998e8f154c28a28dcdab73fb563f658f2f51.1726009989.git.ackerleytng@google.com> Subject: [RFC PATCH 03/39] mm: hugetlb: Remove unnecessary check for avoid_reserve From: Ackerley Tng To: tabba@google.com, quic_eberman@quicinc.com, roypat@amazon.co.uk, jgg@nvidia.com, peterx@redhat.com, david@redhat.com, rientjes@google.com, fvdl@google.com, jthoughton@google.com, seanjc@google.com, pbonzini@redhat.com, zhiquan1.li@intel.com, fan.du@intel.com, jun.miao@intel.com, isaku.yamahata@intel.com, muchun.song@linux.dev, mike.kravetz@oracle.com Cc: erdemaktas@google.com, vannapurve@google.com, ackerleytng@google.com, qperret@google.com, jhubbard@nvidia.com, willy@infradead.org, shuah@kernel.org, brauner@kernel.org, bfoster@redhat.com, kent.overstreet@linux.dev, pvorel@suse.cz, rppt@kernel.org, richard.weiyang@gmail.com, anup@brainfault.org, haibo1.xu@intel.com, ajones@ventanamicro.com, vkuznets@redhat.com, maciej.wieczor-retman@intel.com, pgonda@google.com, oliver.upton@linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org, kvm@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-fsdevel@kvack.org If avoid_reserve is true, gbl_chg is not used anyway, so there is no point in setting gbl_chg. Signed-off-by: Ackerley Tng --- mm/hugetlb.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 597102ed224b..5cf7fb117e9d 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3166,16 +3166,6 @@ struct folio *alloc_hugetlb_folio(struct vm_area_struct *vma, if (gbl_chg < 0) goto out_end_reservation; - /* - * Even though there was no reservation in the region/reserve - * map, there could be reservations associated with the - * subpool that can be used. This would be indicated if the - * return value of hugepage_subpool_get_pages() is zero. - * However, if avoid_reserve is specified we still avoid even - * the subpool reservations. - */ - if (avoid_reserve) - gbl_chg = 1; } /* If this allocation is not consuming a reservation, charge it now.