From: kanoj@google.engr.sgi.com (Kanoj Sarcar)
To: torvalds@transmeta.com
Cc: linux-mm@kvack.org
Subject: [PATCH] kanoj-mm24-2.3.25 nonPAE ia32 zap_low_mappings fix
Date: Fri, 5 Nov 1999 14:11:41 -0800 (PST) [thread overview]
Message-ID: <199911052211.OAA61667@google.engr.sgi.com> (raw)
Linus,
Could you please add in this patch into 2.3.26. It is needed for
*(int *0) = 0 to panic (after smp_init()) to catch kernel problems.
Thanks.
Kanoj
--- /usr/tmp/p_rdiff_a005Oh/init.c Fri Nov 5 14:05:50 1999
+++ arch/i386/mm/init.c Fri Nov 5 13:01:50 1999
@@ -382,7 +382,12 @@
* Zap initial low-memory mappings:
*/
for (i = 0; i < USER_PTRS_PER_PGD; i++)
+#if CONFIG_X86_PAE
pgd_clear(swapper_pg_dir + i);
+#else
+ pmd_clear((pmd_t *)swapper_pg_dir + i);
+#endif
+ flush_tlb_all();
}
/*
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reply other threads:[~1999-11-05 22:11 UTC|newest]
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