Daniel Micay
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1ea997b887
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add missing headers to malloc.h
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2018-08-30 08:48:43 -04:00 |
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Daniel Micay
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2b0f7aa985
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use a consistent name for size class integer index
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2018-08-30 07:13:28 -04:00 |
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Daniel Micay
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0f5f2bf6c9
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add basic initial heuristic for freeing slabs
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2018-08-30 06:56:00 -04:00 |
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Daniel Micay
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456dfe4154
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add support for purging and protecting empty slabs
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2018-08-30 05:59:44 -04:00 |
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Daniel Micay
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bb176e09bc
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remove useless code in the empty_slabs path
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2018-08-30 05:45:03 -04:00 |
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Daniel Micay
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29df2429c2
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empty_slabs will remain a singly-linked list
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2018-08-30 05:27:51 -04:00 |
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Daniel Micay
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f94068ea63
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rename free_slabs to empty_slabs
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2018-08-30 04:55:39 -04:00 |
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Daniel Micay
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b6d4af872f
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move libdivide.h to third_party/libdivide.h
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2018-08-30 03:03:19 -04:00 |
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Daniel Micay
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6f9de3e667
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add inline hint to get_size_info
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2018-08-29 15:13:53 -04:00 |
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Daniel Micay
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e85c69a0a4
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fix builds with prefix
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2018-08-29 15:07:36 -04:00 |
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Daniel Micay
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becadc57a5
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get rid of unused MIN_ALIGN definition
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2018-08-29 14:18:45 -04:00 |
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Daniel Micay
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2684a98eab
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add initial malloc_object_size extensions
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2018-08-29 14:18:42 -04:00 |
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Daniel Micay
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0e2f3d1015
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sanity check page size at runtime
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2018-08-29 11:00:18 -04:00 |
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Daniel Micay
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d779d41721
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wrap more memory mapping implementation details
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2018-08-29 10:57:42 -04:00 |
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Daniel Micay
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1cb28531a8
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add wrapper for mremap with sanity check
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2018-08-29 10:43:54 -04:00 |
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Daniel Micay
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5bc6820c24
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rely on mmap rounding to page size when possible
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2018-08-29 03:25:00 -04:00 |
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Daniel Micay
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58d929c0f0
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split out low-level memory mapping wrappers
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2018-08-29 00:53:38 -04:00 |
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Daniel Micay
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8b42e8c3d6
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make sure errno is always set on failure
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2018-08-28 22:49:11 -04:00 |
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Daniel Micay
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66aa98dbd9
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sanity-check mmap errno on failure too
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2018-08-28 22:41:18 -04:00 |
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Daniel Micay
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705b6a4f8d
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make non-out-of-memory mprotect errors fatal
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2018-08-28 22:22:57 -04:00 |
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Daniel Micay
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19c46d16f1
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check pthread_atfork return value
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2018-08-28 21:31:20 -04:00 |
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Daniel Micay
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803811a6ac
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add support for using mremap
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2018-08-28 10:44:04 -04:00 |
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Daniel Micay
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718bf82f96
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add inline hints for slab_allocate and slab_free
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2018-08-27 09:29:30 -04:00 |
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Daniel Micay
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33f862ec19
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add inline hints for init and enforce_init
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2018-08-27 09:29:27 -04:00 |
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Daniel Micay
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67b9608ccf
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avoid duplicated init code calculating slab size
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2018-08-27 09:22:04 -04:00 |
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Daniel Micay
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c7b24f63f1
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use libdivide for substantially faster division
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2018-08-27 07:07:48 -04:00 |
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Daniel Micay
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63b0c39343
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reorder size_class struct for better performance
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2018-08-27 05:21:58 -04:00 |
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Daniel Micay
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14ca7d7c3f
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randomize large allocation guard size
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2018-08-26 04:46:12 -04:00 |
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Daniel Micay
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a13a45a17d
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hold regions_lock in alloc_aligned
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2018-08-26 04:37:43 -04:00 |
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Daniel Micay
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2b7c9362bb
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consume fewer random bytes for slab randomization
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2018-08-25 18:32:44 -04:00 |
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Daniel Micay
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c5d76179a5
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improve interaction of slot rand with slot mask
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2018-08-25 18:04:55 -04:00 |
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Daniel Micay
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173dd6e7a5
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randomize slot selection for empty slabs too
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2018-08-25 18:02:13 -04:00 |
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Daniel Micay
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c335c43dd7
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simplify slab out-of-memory error handling
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2018-08-25 16:41:07 -04:00 |
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Daniel Micay
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7bcfa3f08b
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tune slab metadata allocation
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2018-08-25 15:46:22 -04:00 |
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Daniel Micay
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4777ee0c85
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special case division for page size slabs
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2018-08-25 15:21:50 -04:00 |
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Daniel Micay
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ec78add6ab
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define ffzl utility function
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2018-08-25 03:14:07 -04:00 |
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Daniel Micay
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f08d4d31db
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randomize slab slot choice
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2018-08-25 03:02:39 -04:00 |
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Daniel Micay
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965c3202b4
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finish implementation of zero byte size class
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2018-08-25 02:48:47 -04:00 |
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Daniel Micay
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f97a0ef8b1
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use a more appropriate type for masked bitmaps
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2018-08-25 01:09:15 -04:00 |
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Daniel Micay
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f3c8502509
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add CSPRNGs for regions and slabs
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2018-08-25 00:25:33 -04:00 |
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Daniel Micay
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805bdc6087
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add an extra sanity check for unallocated metadata
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2018-08-24 05:22:38 -04:00 |
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Daniel Micay
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2d168b0516
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check for double free slightly earlier
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2018-08-24 04:51:52 -04:00 |
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Daniel Micay
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97b693d862
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stop treating guard size as a constant
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2018-08-24 04:07:46 -04:00 |
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Daniel Micay
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83dabbd8fa
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fix handling of random bases for class regions
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2018-08-24 03:52:01 -04:00 |
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Daniel Micay
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0d51459dc9
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add a special memory protected 0 byte size class
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2018-08-24 03:24:23 -04:00 |
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Daniel Micay
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7a86b67778
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add unaligned free check for small allocations
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2018-08-24 02:55:53 -04:00 |
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Daniel Micay
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2aee424b7b
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fix inconsistent whitespace
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2018-08-24 02:09:20 -04:00 |
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Daniel Micay
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a874a61099
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adjust slot count for 12288 byte size class
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2018-08-23 18:00:13 -04:00 |
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Daniel Micay
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127f110126
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adjust slot count for 10240 byte size class
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2018-08-23 17:56:17 -04:00 |
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Daniel Micay
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c59c97c65b
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adjust slot count for 48 byte size class
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2018-08-23 17:53:10 -04:00 |
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Daniel Micay
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56e4c7e042
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adjust slot count for 224 byte size class
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2018-08-23 17:42:51 -04:00 |
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Daniel Micay
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4aa0fab4f4
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avoid deadlocks after forking threaded processes
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2018-08-23 17:22:12 -04:00 |
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Daniel Micay
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70d61b6662
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initial commit
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2018-08-23 15:42:41 -04:00 |
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