linux-kernel - Re: 2.6.24-mm1 Build Faliure on pgtable

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Date:	Mon, 4 Feb 2008 09:25:43 +0530
From:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org, apw@...dowen.org,
	balbir@...ux.vnet.ibm.com
Subject: Re: 2.6.24-mm1 Build Faliure on pgtable_32.c

Hi Andrew,

The 2.6.24-mm1 kernel build fails with 

arch/x86/mm/pgtable_32.c: In function `pgd_mop_up_pmds':
arch/x86/mm/pgtable_32.c:302: warning: passing arg 1 of `pmd_free' from incompatible pointer type
arch/x86/mm/pgtable_32.c:302: error: too few arguments to function `pmd_free'

I have tested the patch for the build failure only.

Signed-off-by: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
--
--- linux-2.6.24/arch/x86/mm/pgtable_32.c	2008-02-04 07:36:36.000000000 +0000
+++ linux-2.6.24/arch/x86/mm/~pgtable_32.c	2008-02-04 07:38:02.000000000 +0000
@@ -286,7 +286,7 @@ static void pgd_dtor(void *pgd)
  * preallocate which never got a corresponding vma will need to be
  * freed manually.
  */
-static void pgd_mop_up_pmds(pgd_t *pgdp)
+static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t *pgdp)
 {
 	int i;
 
@@ -299,7 +299,7 @@ static void pgd_mop_up_pmds(pgd_t *pgdp)
 			pgdp[i] = native_make_pgd(0);
 
 			paravirt_release_pd(pgd_val(pgd) >> PAGE_SHIFT);
-			pmd_free(pmd);
+			pmd_free(mm, pmd);
 		}
 	}
 }
@@ -327,7 +327,7 @@ static int pgd_prepopulate_pmd(struct mm
 		pmd_t *pmd = pmd_alloc_one(mm, addr);
 
 		if (!pmd) {
-			pgd_mop_up_pmds(pgd);
+			pgd_mop_up_pmds(mm, pgd);
 			return 0;
 		}
 
@@ -347,7 +347,7 @@ static int pgd_prepopulate_pmd(struct mm
 	return 1;
 }
 
-static void pgd_mop_up_pmds(pgd_t *pgd)
+static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t *pgdp)
 {
 }
 #endif	/* CONFIG_X86_PAE */
@@ -368,7 +368,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
 
 void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 {
-	pgd_mop_up_pmds(pgd);
+	pgd_mop_up_pmds(mm,pgd);
 	quicklist_free(0, pgd_dtor, pgd);
 }
 
-- 
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
--
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