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b=iMIwg63Sdq8bPS8Q/rBBN/9ewQwWzqzfV9NdmJXgIf7dO5mSXmxQhfMV6zKNvuMEn D2WWXb8pP2Dvq6U9us/Uul4X9lSzdNQlN5I5pIxvvaZhapYplAAv0ibgXAhMzfjlU7 oTRO0QpvUaDPQ9wV7634+zyPq1x13I/1JIuGZGVnALDOi/5qsEOh8LBfF4ln/n09p1 6MvRWiNYPevmI5ITNmqDIk3zlc/wmgwsYzGtzLuC6X9tQde5RJpEOfmC3Lx6BhRZZ7 KcNnv3IwUyZrMHS2wZ1c13ybi9sDtcbZRc1rXCCFhHrSxlCL9JFbYT4HrjPAPYM9vP cD6Lg061R8P0g== Date: Wed, 19 Nov 2025 09:08:33 +0200 From: Mike Rapoport To: Linus Torvalds Cc: Andrew Morton , Akinobu Mita , Mike Rapoport , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [GIT PULL] memblock: fix memblock_estimated_nr_free_pages() for soft-reserved memory Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 3F251C000B X-Stat-Signature: 7wmfo839unyz9ci54qukzygt84dzhg3h X-Rspam-User: X-HE-Tag: 1763536121-126365 X-HE-Meta: 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 luPytPK5 8ZxUBLMoq7jDvdUds0oBtDgJv0PBUO5hSx1zCVBU/y9xo+AfnbC6eXBuqimUhtUJAhdm6F5ynXuKmo40= 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: Hi Linus, The following changes since commit e9a6fb0bcdd7609be6969112f3fbfcce3b1d4a7c: Linux 6.18-rc5 (2025-11-09 15:10:19 -0800) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock fixes-2025-11-19 for you to fetch changes up to c42af83c59b65d01c0f7a074e450bbbb43b22f0d: memblock: fix memblock_estimated_nr_free_pages() for soft-reserved memory (2025-11-11 18:15:35 +0200) ---------------------------------------------------------------- memblock: fix memblock_estimated_nr_free_pages() for soft-reserved memory The "soft-reserved" memory regions (EFI_MEMORY_SP) are added to the memblock.reserved, but not to the memblock.memory. It causes memblock_estimated_nr_free_pages() to return a value smaller value than expected, or if it underflows, an extremely large value. Calculate the number of estimated free pages using memblock_reserved_kern_size() instead of memblock_reserved_size() to fix the issue. ---------------------------------------------------------------- Akinobu Mita (1): memblock: fix memblock_estimated_nr_free_pages() for soft-reserved memory mm/memblock.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -- Sincerely yours, Mike.