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ac2a659968
[ Spotted by Miklos ] Fix a memory leak in init_new_context. The struct page ** buffer allocated for install_special_mapping was never recorded, and thus leaked when the mm_struct was freed. Fix it by saving the pointer in mm_context_t and freeing it in arch_exit_mmap. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Cc: Miklos Szeredi <miklos@szeredi.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
26 lines
560 B
C
26 lines
560 B
C
/*
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* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
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* Licensed under the GPL
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*/
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#ifndef __ARCH_UM_MMU_H
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#define __ARCH_UM_MMU_H
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#include "uml-config.h"
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#include "mm_id.h"
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#include "asm/ldt.h"
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typedef struct mm_context {
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struct mm_id id;
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struct uml_ldt ldt;
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struct page **stub_pages;
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} mm_context_t;
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extern void __switch_mm(struct mm_id * mm_idp);
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/* Avoid tangled inclusion with asm/ldt.h */
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extern long init_new_ldt(struct mm_context *to_mm, struct mm_context *from_mm);
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extern void free_ldt(struct mm_context *mm);
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#endif
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