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ARM: pgd allocation: retry on failure

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Make pgd allocation retry on failure; we really need this to succeed
otherwise fork() can trigger OOMs.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2013-11-30 12:52:31 +00:00
parent 4808972a1c
commit 8c65da6dc8
1 changed files with 1 additions and 1 deletions
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2
arch/arm/mm/pgd.c
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@ -23,7 +23,7 @@
#define __pgd_alloc() kmalloc(PTRS_PER_PGD * sizeof(pgd_t), GFP_KERNEL)
#define __pgd_free(pgd) kfree(pgd)
#else
#define __pgd_alloc() (pgd_t *)__get_free_pages(GFP_KERNEL, 2)
#define __pgd_alloc() (pgd_t *)__get_free_pages(GFP_KERNEL | __GFP_REPEAT, 2)
#define __pgd_free(pgd) free_pages((unsigned long)pgd, 2)
#endif